NASA has announced yet another milestone for the Perseverance rover: It's officially traversed the length of a marathon on ...

The organic molecules could come from life or from ordinary chemistry — only samples returned to Earth can settle it.

An unusual sighting in a NASA image has reignited speculation that something extraterrestrial once existed on Mars.

NASA's Perseverance rover has uncovered one of the most intriguing clues yet in humanity's search for life beyond Earth.

The Exploration Rover for Navigating Extreme Sloped Terrain (ERNEST) test rover has been put through its paces with great ...

A new survey of hundreds of astrobiologists reveals that, despite NASA's high-profile declarations about Mars and exoplanet K2-18b, most experts do not yet think alien life has probably been found.

A NASA‑linked study argues that alien probes could already be in our Solar System, but our surveys are still too crude to ...

NASA wants to send an ambitious fleet of helicopters to soar through Martian skies—but scientists fear the endeavor could ...

NASA’s Perseverance rover has uncovered the most extensive evidence yet of complex organic molecules on Mars, detecting ...

Microscopic iron shrapnel, remnants of D-Day explosions, have been discovered in Omaha Beach sand, a study reveals.

Steven Spielberg looks to skies for redemption in this spiritual sequel to Close Encounters of the Third Kind.v ...

Discover six hard sci-fi films where science shapes story and emotion, like Europa Report and The Martian. Brainy, emotional, ...