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 might think that legendary sci-fi author Arthur C. Clarke would've adored the Star Trek franchise, but that wasn't ...

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When War of the Worlds was adapted into a sci-fi series in the late 80s, the show made major changes to H.G. Wells' original ...

Scientists suggest that advanced aliens might not have physical bodies, challenging traditional views of extraterrestrial ...

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

It's a rough time for anyone looking to buy or build a gaming PC. But you don't need one for these games, the cream of the crop for anyone who doesn't have the latest hardware.

Take a drive to the CIA’s Area 51 – a route with more UFO sightings and unexplained mysteries than anywhere else on Earth ...

Using emerging radio techniques refined during and after the Second World War, the astronomers detected a powerful radio ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

Two possibilities exist: either we are alone in the Universe or we are not. Both are equally terrifying.” – Arthur C.