Organic compounds discovered on the Red Planet cannot be fully explained by non-biological sources, say astrobiologists.

Scientists studying a rock sample collected by NASA’s Curiosity rover have uncovered something tantalizing: the largest organic molecules ever detected on Mars. The compounds — decane, undecane, and ...

A new paper suggests that BARSOOM may have been alive on the planet, and was killed in the Viking experiments.

Scientists combined lab radiation experiments, mathematical modeling and Curiosity data to ‘rewind the clock’ about 80 million years — the length of time the rock would have ...

Save for the Predator franchise's Yautja and Alien's Xenomorphs, these are the coolest extraterrestrials to ever grace cinema history.

The final trailer for the adaptation of Andy Weir's bestselling novel shows an astronaut getting a surprising new roommate ...

Hell’s Half Acre, an otherworldly alien landscape in a remote section of central Wyoming is reopening in May. The area was ...

Project Hail Mary sends Ryan Gosling to space in an epic new sci-fi story. Here's everything we know about the upcoming film.

NASA is racing to contact a lost probe that mysteriously lost contact over Mars in early December. The $582.5 million Maven spacecraft went dark behind Mars and may have been “rotating in an ...

During a robotic exploration of the the ocean’s abyssopelagic zone, scientists discovered never-before-seen, jet-black eggs attached to a rock. After further study and DNA examination, the team ...

An alien-like Mola mola surprised surfers as it surfaced along the San Diego coastline, ultimately dying and washing ashore. “A rare Mola mola (ocean sunfish) washed up on our shore at Cardiff State ...

Everything really is bigger — and stranger — in Texas. This year proved the Lone Star State is full of wild surprises after several Texans spotted some rare and unusual encounters with sea creatures ...