It's not nearly as easy as one might think. The post If Scientists Ever Find Strong Evidence of Alien Life, Communicating It ...

Former U.S. President Barack Obama has clarified comments he made about alien life on a podcast over the weekend.

This video explores five disturbing possibilities about alien life that challenge popular science fiction assumptions.

Turns out evidence of alien life might well have been discovered much closer to home.

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 ...

All life on Earth depends on DNA—but that doesn’t mean life everywhere must follow the same blueprint. Scientists have shown ...

The search for life beyond our solar system heated up this year when scientists reported a tantalising signal from an exoplanet of a molecule that is known to be produced exclusively by life on Earth.

With its long wavelength, near-infrared light is hardy enough to survive the limestone surroundings in the cavern: “The ...