An international team of astronomers reports the discovery of a new exoplanet orbiting a sunlike star as part of the Next ...

A planet with one side permanently roasting and the other frozen in endless darkness might still have a chance of supporting life. Researchers found that heat inside a tidally locked exoplanet could ...

A Soviet astronomer in the 1960s proposed a scale to classify hypothetical alien civilizations. Here’s why the framework is ...

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

Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...

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

A mysterious object from another star system is racing through our Solar System, and every major space telescope is watching.

Lawmakers and Trump UFO advisors are naming the private corporations who allegedly operate alien craft-retrieval programs — as they try to drag the government contractors into the administration’s ...

The king of sci-fi, Ridley Scott, is finally returning to the genre later this year with the premiere of The Dog Stars, the new post-apocalyptic epic starring Josh Brolin and Jacob Elordi. Scott has ...

British sci-fi television is among the most influential in the genre, and this forgotten series from the 1970s is a part 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.