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

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Top Astronomers Just Revealed the Most Convincing Proof of Alien Life Until Today ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help understand where to look for it.

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 ...

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 ...

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 ...

After comments about extraterrestrials sparked online debate, the former US president clarified that while the universe may statistically support life beyond Earth, he found no evidence of alien ...