This video breaks down why K2-18b has suddenly become one of the most important planets in the search for life beyond Earth.

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

You don't need superpowers to be a hero, and these seven prove it by being better heroes than everyone else as completely ...

Donna Hare's decades-old claim that NASA airbrushed UFOs from photos resurfaces, sparking renewed interest and debate despite ...

Legend has it that there are space aliens and lizard people living in the underground tunnels at Denver International Airport ...

The 1960s was mostly optimistic for robotics and artificial intelligence if you look at The Jetsons or Lost in Space, but ...

A deleted scene finally explains the blockbuster’s most mocked plot hole, making its infamous alien hacking twist far easier ...

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 ...

Having considered more than 1,000 cases, this analyst of unidentified anomalous phenomena has honed a rational process for ...

Ridley Scott's near-perfect sci-fi horror masterpiece is surging on streaming before the franchise's next release.

Nearly 30 years after its release, the alien invasion blockbuster remains one of the most beloved sci-fi films ever made.

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