In the 21st century, the theories regarding the existence of aliens refuse to dial down. Now, the recently resurfaced NASA photo of Martian planet has gone viral on various social media ...

The Transiting Exoplanet Survey Satellite (TESS) revealed a distant planet located 40,000 light-years away using microlensing for the first time.

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

When the U.S. was born, humanity was still seven years away from balloon-borne flight. Where might we be another 250 years from now, should the nation be fortunate enough to survive that long?

An image taken by Curiosity last month has sparked claims of a long-lost civilization on the Red Planet after some spotted a ...

Scientists studying the comet 3I/ATLAS have determined that this interstellar visitor is remarkably ancient — formed an estimated 10 to 12 billion years ago in a primordial planetary system — and has ...

A three-armed spacecraft is rushing to the rescue of a NASA telescope that’s in danger of crashing back to Earth.

An explosion powerful enough to destroy millions of trees should have left behind a giant crater. Instead, when scientists ...

Astronomers have used the James Webb Space Telescope (JWST) to observe an oddball gas giant exoplanet orbiting a dead star.