Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is ...

Harvard scientist Avi Loeb has slammed a seemingly far-fetched proposal to intercept interstellar comet 3I/ATLAS with a spacecraft, claiming that we’re putting energy in the wrong places.

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the sun.

The interstellar comet 3I/ATLAS is leaving our solar system for good. Here's what to know about its journey and NASA's observations.

For the first time ever, scientists have uncovered a vast field of tektites in Brazil — mysterious glassy fragments forged when a powerful extraterrestrial object slammed into Earth about 6.3 million ...

DON'T NOD's new sci-fi action-adventure Aphelion brings players to a hostile planet in which exploration itself is a challenge.

Questions about what the federal government may know about extraterrestrial life in the cosmos — or possibly even here on ...

It was the latest effort by Trump to stir anticipation for the release of secret government documents, even as he has continued to lash out at reporters over the release of the Jeffrey Epstein files ...