Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year, the possibility continues to grow. But what would happen if we actually ...

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

Add Yahoo as a preferred source to see more of our stories on Google. A composite view of Mars taken by the Viking I and II probes. NASA/USGS In September, NASA announced the discovery of a possible ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...

US president Donald Trump’s pledge to release government files on “alien and extraterrestrial life” quickly drew praise from his MAGA allies, who lauded the move as proof of his commitment to ...