Eventually, we'll launch a mission dedicated solely to studying an interstellar object. When that day comes, which one should ...

Three decades of finding new worlds Exoplanet science has moved fast since the first confirmed discoveries in the 1990s.

Australia's space agency said there's a completely rational, albeit cosmic, explanation behind the mysterious orbs that ...

NASA’s James Webb Space Telescope has detected a carbon-rich atmosphere on a tiny world orbiting a dead, rapidly spinning ...

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.

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 ...

Astronomers at the University of California, Irvine (UCI) have discovered a potentially habitable super-Earth located just 25 light-years away.

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 ...