NASA has temporarily stopped part of its investigation into possible signs of life on a faraway planet, after two years of ...

Need a reminder of what's up in the farthest frontier of 'Star Trek' before 'Starfleet Academy'? Class is now in session.

The History Channel series returns January 15 with "Skulls of the Gods," examining whether these archaeological finds have ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life.

Scientists confirmed that the interstellar comet 3I/ATLAS, which passed closest to Earth in December 2025, showed no ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

Scientists have found new evidence suggesting that interstellar 3I/ATLAS is not an alien spaceship, as one conspiracy theory ...

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 ...

A newly discovered exoplanet is rewriting the rules of what planets can be. Orbiting a city-sized neutron star, this Jupiter-mass world has a bizarre carbon-rich atmosphere filled with soot clouds and ...

Let's test how well you paid attention in Science class. Can you tell me which planet is the largest of them all? If you answered Jupiter, then give yourself a gold star and a pat on the back. Over 11 ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...