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

Is intelligent alien life really out there? With powerful telescopes identifying more potentially habitable planets each year ...

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

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 ...

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

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...

Life may not get blasted off any of the known "super-Earth" worlds as readily as it can from our planet, scientists find. The discovery suggests that any intelligent aliens that develop on such ...

A new study suggests a novel approach in the long-running scientific endeavor to find intelligent life beyond Earth. Instead of casting a wide, speculative net across the cosmos, researchers from Penn ...

The Deep Space Network (DSN) is just the sort of tool aliens could one-day detect, transmitting from Earth. Credit: NASA/JPL What if the first signal ever detected from an alien lifeform wasn't a ...

One group of experts now say that looking for life on water and oxygen-rich planets could be a waste of time.