From the Greys to the Nordics, these aliens appear frequently across abduction stories and science fiction tales.

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

Some creative calculations using bug traps, epidemiology and trees suggest there are some 20 million unique insect species on ...

The mockumentary is an underrated genre of comedy, but this classic sci-fi one still holds up today through its sharp writing ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

GameSpot may receive revenue from affiliate and advertising partnerships for sharing this content and from purchases through links. Alien Isolation 2 is a sequel many players have waited a long, long ...

When most people imagine a bird, they picture an animal with feathers, wings, and a beak perched on a tree branch. However, evolution has created some species so unusual that they barely resemble ...

Time works differently in space and on other planets, so the decade-plus that Alien Isolation fans have been waiting for the sequel might have felt like a blink of an eye on a different world. On ...

Using the W.M. Keck Observatory, astronomers investigated the long-predicted relationship between mass and spin for giant planets and brown dwarfs. Credit: NASA/JPL-Caltech A new Keck Observatory ...