The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

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

The curious minds at What If explore what would happen if octopuses were actually aliens from outer space.

A new study proposes examining Mars and other space samples on the Moon before bringing them to Earth, arguing it would ...

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

Launching in the 2040s, the HWO telescope will search for Earth-like planets and feature swap-out instruments maintained by ...

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

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.

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

William Shatner appeared to have the charm dialed all the way up on Saturday as he had CNN’s Laura Coates and Brianna Keilar laughing at nearly every word during a Star Trek lightning round. Shatner ...

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