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 ...

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 ...

Elon Musk discussed his views on whether aliens exist during a discussion at the World Economic Forum in Davos, Switzerland. Newsweek reached out to Musk’s company SpaceX for additional comment via ...

Using images from cameras on Mars orbiters, an international research team has discovered structures on Mars that are very similar to classic river deltas on Earth. These are traces of rivers that ...

Scarlett Howard currently has funding from the Australian Research Council and the Hermon Slade Foundation. Adrian Dyer receives funding from the Australian Research Council, the Alexander von ...

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 ...