2025-PN7 is around 62 feet (19 meters) wide, and it’s between 2.8 million miles and 37.2 million miles away from Earth. It ...

One of the worlds in the TRAPPIST-1 system, a mere 40 light-years away, just might be clad in a life-supporting atmosphere.

In a recent breakthrough, astronomers have discovered a new “quasi-moon” that has been orbiting Earth after decades of being ...

A rhythmic mantle plume, like a "geological heartbeat," was discovered beneath Ethiopia at the Afar Depression, ripping the ...

Just over a year ago, NASA made a remarkable announcement. The Perseverance rover had found potential signs of ancient life on Mars. Now, the technical details behind that discovery have been ...

A rock collected by NASA’s Perseverance rover may hold the strongest evidence of life beyond Earth ever found, officials said ...

Smithsonian researchers analyzed fragments of the near-Earth asteroid and discovered water-rich clays that hint at a distant ...

The 54-pound meteorite from Mars was discovered in the Sahara in northwestern Niger by a meteorite hunter in November 2023.