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

In one of the most baffling discoveries of the last decade, scientists have found a clue in a cave to how life might survive ...

Scientists may need to broaden their horizons in their search for alien life.

January brought a wide range of thoughtful science conversations featuring researchers from the SETI Institute, spanning everything from hands-on planetary defense with citizen scientists to careful ...

When people imagine aliens, they usually picture biological creatures similar to life on Earth. But many scientists argue ...

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 ...

Using data gathered by NASA's Juno Jupiter orbiter, scientists estimate that Europa's ice shell is about 18 miles thick — ...

For many years, astronomers have been looking for extraterrestrial life. In doing so, astronomers have narrowed their search to a small “habitable zone” around stars.

A "crowdsourced" project in which home computer users were enlisted to help analyze radio signals from space is ending after more than two decades.

In 1995, a pair of scientists discovered a planet outside our solar system orbiting a solar-type star. Since that finding—which won the scientists a portion of the 2019 Nobel Prize in ...