Sigourney Weaver cemented her cult sci-fi status playing Ellen Ripley in the "Alien" franchise, but she's also starred in some of the best sci-fi flicks.

A breathtaking cosmic voyage exploring the most bizarre, extreme, and spectacular alien worlds discovered across our galaxy, ...

A new preprint argues that the moon's regolith could preserve microscopic alien technosignatures and outlines how future ...

James Cameron's beloved sci-fi sequel, Aliens, has touched down on a new streamer, bringing face-huggers and chest-bursters ...

The moon may be wearing a dusting of alien junk, and a group of researchers wants to go looking for it. In a new study that's under peer review for the International Journal of Astrobiology, ...

Welcome to XenoFeels, a quirky simulator where you're the last line of defense for your galaxy. Inspect alien passports, ...

This cult-favorite sci-fi series had a fifth season planned — until its massive production costs helped bring the story to an ...

What if you found out that you had a long-lost relative? And what if that long-lost relative was from a different planet in ...

After Green Lantern Abin Sur apprehended Zoe for these crimes, his spaceship crash-landed near Rushville, allowing Zoe the ...

Scientists believe that tiny fragments of technology from potential extraterrestrials who disappeared long ago may have ...

Fuel would be an issue on such a long journey, so the AI-theorized probe would need a solar-electric power system and head ...

The actor spoke about her role in HBO's DC Comics series as Zoe Macon, her big reveal in Episode 5 and why she likes playing ...