In the final episode of "Pluribus" season 1, Carol and Manousos finally meet—and revelations ensue. Here's what happens in ...

Elon Musk has repeatedly said he plans to put humans on Mars, yet the gap between that vision and reality remains wide. The obstacles are not just about rockets or money, but about biology, psychology ...

Mars may be tens of millions of kilometers away, but for planetary scientists, the most revealing rehearsal space sits in the North Atlantic. Iceland’s mix of ice, fire and wind offers a rare ...

From space slugs to lunar cemeteries, these movies, games, and books show that the undead can arrive from above, as well as below.

Adam Sandler has plenty of geeky fans – but RadarOnline.com can reveal he has just alienated a massive swath of them by joking about UFO nuts. The comic, 59, has quipped alien sightings have ...

From this grab-bag of disciples, it is easy to see Trotskyism and Trotsky as eccentric, alien influences. The man himself ...

The Marvel Cinematic Universe has become expansive to say the last. Here are 18 superhero offerings fans can find on Disney+ ...

When science fiction explores that, the results are often some of the most terrifying stories ever told on screen. The 2000 movie Supernova is what happens when Hollywood tries to clone Event Horizon ...

Eschewing some of the genre's most out-there tropes and concepts, sci-fi movies like Children of Men and Arrival instead opt ...