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

It's the oldest question on Earth. Where did we come from? Some people may thank a creator from above, but what if the hand ...

Exoplanets like Earth have been discovered but not all Earth-like planets are equal when it comes to alien life. An ...

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

The new plot twist is that in order to keep enough nitrogen and phosphorus near its surface, a planet has to start out with exactly the right amount of oxygen in its mix.

Astrobiologists propose that alien civilizations need accessible coal deposits to industrialize exoplanets and become detectable from Earth.

Harvard astrophysicist Avi Loeb claims humanity missed a historic chance to find alien life on interstellar object 3I/ATLAS, warning it may have been a spacecraft on a seeding mission.

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 ...