Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

NASA’s search for life beyond Earth is no longer a distant dream but a coordinated campaign that now stretches from Martian rocks to interstellar visitors. Instead of chasing flying saucers, ...

Signals from a distant world have pushed the search for alien life out of science fiction and into the realm of testable claims. Using the James Webb Space Telescope, astronomers studying the ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...