Voyager 1, shown in this illustration, has operated for decades thanks to a radioisotope power system. NASA via AP Benjamin Roulston, Clarkson University Powering spacecraft with...
The coral reefs of Palmyra Atoll, part of Pacific Islands Heritage Marine National Monument, provide nurseries for many fish species. Andrew S. Wright/U.S. Fish and Wildlife...
The 6.9 magnitude Loma Prieta earthquake near San Francisco in 1989 caused about $6.8 billion in damage and 63 deaths. J.K. Nakata/U.S. Geological Survey Jonathan P....
Prescribed burns like this one are intentional, controlled fires used to clear out dry grass and underbrush that could fuel more destructive wildfires. Ethan Swope/Getty Images...
This is a close-up photo of an ordinary garden fly. Amith Nag Photography/Moment via Getty Images Nicholas Green, Kennesaw State University Curious Kids is a series...
A planetary scientist explains new research This image overlays over 100 fireball images recorded between 2016 and 2020. The streaks are fireballs; the dots are star...
One of two main craters on Alaska’s Mount Spurr, shown in 1991. Earthquake activity suggests the volcano is close to erupting again in 2025. R.G. McGimsey/Alaska...
Recent findings from the James Webb Space Telescope suggest potential biosignatures on exoplanet K2-18b, including dimethyl sulfide, indicating possible microbial life, though further research is necessary.
An illustration of the exoplanet K2-18b, which some research suggests may be covered by deep oceans. NASA, ESA, CSA, Joseph Olmsted (STScI) Daniel Apai, University of...
Jared Isaacman, the nominee for next NASA administrator, has traveled to orbit on two commercial space missions. AP Photo/John Raoux Wendy Whitman Cobb, Air University Jared...