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Mars rovers serve as scientists’ eyes and ears from millions of miles away – here are the tools Perseverance used to spot a potential sign of ancient life
Mars rovers: NASA’s Perseverance rover recently identified potential signs of past life on Mars at a site called Bright Angel through mineral analysis. Using five advanced instruments, scientists interpreted complex data, but uncertainty remains. Future sample analysis on Earth may confirm these intriguing findings amid looming budget cuts impacting Mars exploration.
Mars rovers
Ari Koeppel, Dartmouth College
NASA’s search for evidence of past life on Mars just produced an exciting update. On Sept. 10, 2025, a team of scientists published a paper detailing the Perseverance rover’s investigation of a distinctive rock outcrop called Bright Angel on the edge of Mars’ Jezero Crater. This outcrop is notable for its light-toned rocks with striking mineral nodules and multicolored, leopard print-like splotches.
By combining data from five scientific instruments, the team determined that these nodules formed through processes that could have involved microorganisms. While this finding is not direct evidence of life, it’s a compelling discovery that planetary scientists hope to look into more closely.
To appreciate how discoveries like this one come about, it’s helpful to understand how scientists engage with rover data — that is, how planetary scientists like me use robots like Perseverance on Mars as extensions of our own senses.
Experiencing Mars through data
When you strap on a virtual reality headset, you suddenly lose your orientation to the immediate surroundings, and your awareness is transported by light and sound to a fabricated environment. For Mars scientists working on rover mission teams, something very similar occurs when rovers send back their daily downlinks of data.
Several developers, including MarsVR, Planetary Visor and Access Mars, have actually worked to build virtual Mars environments for viewing with a virtual reality headset. However, much of Mars scientists’ daily work instead involves analyzing numerical data visualized in graphs and plots. These datasets, produced by state-of-the-art sensors on Mars rovers, extend far beyond human vision and hearing. https://www.youtube.com/embed/Wz3Nzo09qko?wmode=transparent&start=1 A virtual Mars environment developed by Planetary Visor incorporates both 3D landscape data and rover instrument data as pop-up plots. Scientists typically access data without entering a virtual reality space. However, tools like this give the public a sense for how mission scientists experience their work.
Developing an intuition for interpreting these complex datasets takes years, if not entire careers. It is through this “mind-data connection” that scientists build mental models of Martian landscapes – models they then communicate to the world through scientific publications.
The robots’ tool kit: Sensors and instruments
Five primary instruments on Perseverance, aided by machine learning algorithms, helped describe the unusual rock formations at a site called Beaver Falls and the past they record.
Robotic hands: Mounted on the rover’s robotic arm are tools for blowing dust aside and abrading rock surfaces. These ensure the rover analyzes clean samples.
Cameras: Perseverance hosts 19 cameras for navigation, self-inspection and science. Five science-focused cameras played a key role in this study. These cameras captured details unseeable by human eyes, including magnified mineral textures and light in infrared wavelengths. Their images revealed that Bright Angel is a mudstone, a type of sedimentary rock formed from fine sediments deposited in water.
Spectrometers: Instruments such as SuperCam and SHERLOC – scanning habitable environments with Raman and luminescence for organics and chemicals – analyze how rocks reflect or emit light across a range of wavelengths. Think of this as taking hundreds of flash photographs of the same tiny spot, all in different “colors.” These datasets, called spectra, revealed signs of water integrated into mineral structures in the rock and traces of organic molecules: the basic building blocks of life.
Subsurface radar: RIMFAX, the radar imager for Mars subsurface experiment, uses radio waves to peer beneath Mars’ surface and map rock layers. At Beaver Falls, this showed the rocks were layered over other ancient terrains, likely due to the activity of a flowing river. Areas with persistently present water are better habitats for microbes than dry or intermittently wet locations.
X-ray chemistry: PIXL, the planetary instrument for X-ray lithochemistry, bombards rock surfaces with X-rays and observes how the rock glows or reflects them. This technique can tell researchers which elements and minerals the rock contains at a fine scale. PIXL revealed that the leopard-like spots found at Beaver Falls differed chemically from the surrounding rock. The spots resembled patterns on Earth formed by chemical reactions that are mediated by microbes underwater.
Together, these instruments produce a multifaceted picture of the Martian environment. Some datasets require significant processing, and refined machine learning algorithms help the mission teams turn that information into a more intuitive description of the Jezero Crater’s setting, past and present.
The challenge of uncertainty
Despite Perseverance’s remarkable tools and processing software, uncertainty remains in the results. Science, especially when conducted remotely on another planet, is rarely black and white. In this case, the chemical signatures and mineral formations at Beaver Falls are suggestive – but not conclusive – of past life on Mars.
There actually are tools, such as mass spectrometers, that can show definitively whether a rock sample contains evidence of biological activity. However, these instruments are currently too fragile, heavy and power-intensive for Mars missions.
Fortunately, Perseverance has collected and sealed rock core samples from Beaver Falls and other promising sites in Jezero Crater with the goal of sending them back to Earth. If the current Mars sample return plan can retrieve these samples, laboratories on Earth can scrutinize them far more thoroughly than the rover was able to.
Investing in our robotic senses
This discovery is a testament to decades of NASA’s sustained investment in Mars exploration and the work of engineering teams that developed these instruments. Yet these investments face an uncertain future.
The White House’s budget office recently proposed cutting 47% of NASA’s science funding. Such reductions could curtail ongoing missions, including Perseverance’s continued operations, which are targeted for a 23% cut, and jeopardize future plans such as the Mars sample return campaign, among many other missions.
Perseverance represents more than a machine. It is a proxy extending humanity’s senses across millions of miles to an alien world. These robotic explorers and the NASA science programs behind them are a key part of the United States’ collective quest to answer profound questions about the universe and life beyond Earth.
Ari Koeppel, Earth Sciences Postdoctoral Scientist and Adjunct Associate, Dartmouth College
This article is republished from The Conversation under a Creative Commons license. Read the original article.
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Last Updated on May 16, 2026 by Daily News Staff
National Small Business Month
Every May, communities across the United States recognize Small Business Month, a time dedicated to celebrating the entrepreneurs, family-owned companies, startups, and local shops that help drive the American economy. From neighborhood restaurants to innovative tech startups, small businesses continue to play a vital role in creating jobs, supporting communities, and inspiring innovation.
According to the U.S. Small Business Administration, small businesses account for millions of jobs nationwide and represent the backbone of local economies. Throughout May, organizations, chambers of commerce, and business leaders host networking events, educational workshops, and promotional campaigns to support entrepreneurs and encourage consumers to shop locally.
One of the highlights of the month is National Small Business Week, which honors outstanding entrepreneurs and business owners making a difference in their communities.
For consumers, Small Business Month is also a reminder that supporting local businesses helps strengthen neighborhoods and keeps communities thriving. Whether it’s dining at a local café, shopping at an independent store, or hiring a local service provider, every purchase can make an impact.
Learn more about Small Business Month and related events through the official U.S. Small Business Administrationwebsite.
Related External Links
- U.S. Small Business Administration (SBA)
- National Small Business Week – SBA
- SCORE – Mentoring and Resources for Small Businesses
- U.S. Chamber of Commerce – Small Business Resources
- Forbes Small Business News and Insights
Our Lifestyle section on STM Daily News is a hub of inspiration and practical information, offering a range of articles that touch on various aspects of daily life. From tips on family finances to guides for maintaining health and wellness, we strive to empower our readers with knowledge and resources to enhance their lifestyles. Whether you’re seeking outdoor activity ideas, fashion trends, or travel recommendations, our lifestyle section has got you covered. Visit us today at https://stmdailynews.com/category/lifestyle/ and embark on a journey of discovery and self-improvement.
News Brief
Earthquake Swarm Shakes Southern California Near Salton Sea
Earthquake Swarm: A swarm of earthquakes near California’s Salton Sea and Brawley area has prompted increased monitoring by seismologists as hundreds of tremors shake the region.
A swarm of earthquakes has been rattling Southern California near the Salton Sea, drawing attention from residents and seismologists across the region.
Salton Sea earthquake swarm?
The activity is centered near Brawley in Imperial County, an area known for frequent seismic movement due to its location within the Brawley Seismic Zone. According to the U.S. Geological Survey, hundreds of small earthquakes have been recorded over the past several days, with the strongest reaching a magnitude of approximately 4.7.
Residents throughout Imperial Valley, parts of Riverside County, and even portions of Arizona reported feeling shaking from several of the larger quakes. Minor incidents such as falling objects and brief power disruptions were also reported, though no major injuries or widespread structural damage have been confirmed at this time.
The region sits near the southern end of the San Andreas Fault and is considered one of California’s most geologically active areas. Scientists say earthquake swarms are relatively common near the Salton Sea because of the interaction between tectonic fault systems and geothermal activity beneath the surface.
While experts continue to monitor the situation closely, they emphasize that earthquake swarms do not necessarily indicate that a larger earthquake is imminent. However, officials encourage residents to review emergency preparedness plans, secure heavy furniture, and keep emergency supplies ready.
The Salton Sea region has experienced similar seismic swarms in the past, making it an important area of study for earthquake researchers and emergency management agencies.
For continued updates on this developing story and other regional news, visit STM Daily News.
Related External Links
- U.S. Geological Survey (USGS) – Earthquake Monitoring
- California Institute of Technology (Caltech)
- California Earthquake Preparedness Guide
- Ready.gov – Earthquake Safety Tips
- USGS – Salton Trough and Seismic Activity
Stay informed with the latest breaking news, trending stories, and real-time updates from around the world on STM Daily News. Visit our Stories This Moment page for continuously updated coverage on major events, technology, transportation, science, entertainment, and more.
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Consumer Corner
Frustration at the Pump: Why Americans are Exploring Electric Vehicles
Exploring Electric Vehicles: For more than one-third of Americans, one simple number is leading them to research electric vehicles: the final tally at a recent gas station fill-up. The pump is no longer just the close of a sale; for a growing number of drivers, it’s where questions begin.
Frustration at the Pump: Why Americans are Exploring Electric Vehicles
(Feature Impact) For more than one-third of Americans, one simple number is leading them to research electric vehicles: the final tally at a recent gas station fill-up.
This, according to new research from Hyundai Motor America, isn’t a hypothetical situation. In fact, 23% of respondents reported it’s happened to them more than once. For nearly half of Americans, pulling up to the pump now brings frustration or outright dread.
Many drivers have a number in mind where the math begins shifting, and once the shift happens, it rarely goes away. The pump is no longer just the close of a sale; for a growing number of drivers, it’s where questions begin.
For 23% of those surveyed, $5 per gallon is where they would start considering alternatives to a gas-powered vehicle. While some say they wouldn’t consider alternatives based on gas costs at all, this meaningful share of Americans points toward a specific tipping point.
Some begin by comparing models or brands while others find themselves on an automaker’s website, further along in the process than they initially expected to be. Most don’t act on this impulse right away, but drivers are increasingly caught somewhere between curious and committed – and 46% of those surveyed said they’d be likely to seriously research an EV.
The desire to leave the pump behind, which an EV would allow for, is a deal nearly half of respondents said they would take. However, the transition isn’t frictionless as charging access and range anxiety remain the top concerns for 28% of potential buyers.
While the move toward electric vehicles is often framed as a long-term decision made with spreadsheets and financial planning, for many Americans, it’s beginning somewhere smaller: a routine fuel stop and an eye-opening receipt.
If you’ve found yourself dismayed at the pump, find more information on electric vehicles at HyundaiUSA.com.
Photo courtesy of Shutterstock
eSOURCE:
Hyundai
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