NASA’s James Webb Space Telescope has detected a carbon-rich atmosphere on a tiny world orbiting a dead, rapidly spinning star, and no existing model of planet formation can account for what the data ...

When it comes to the search for life elsewhere in the universe, methane and other chemical compounds are seen as signs of ...

Project Hail Mary, Solaris, and The Hitchhiker's Guide to the Galaxy are all among the very best sci-fi books set in space.

That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...

In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...

The exoplanet telescope TESS revealed a distant world using an entirely different detection method than the one it was built ...

NASA's exoplanet-hunting spacecraft TESS has a new method for detecting worlds beyond the solar system, and it is thanks to ...

Scientists may have found the strongest hint yet that life could exist beyond Earth, and the focus is not Mars but a distant ...

Astronomers have sharply revised down the mass of nearby super Earth GJ 3378b, dramatically improving its prospects as a ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Starfleet encounters​​​. Whether it's the warlike Klingons, the logic-seeking Vulcans, or the alluring Orions, the Star Trek ...

A newly discovered and potentially habitable exoplanet scientists are calling Earth’s “next-door neighbor” could be the next ...