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 ...

Jupiter’s moon Europa is one of the most hostile environments in the solar system, blasted by radiation strong enough to kill a human in hours. Yet beneath its frozen surface may lie a saltwater ocean ...

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.

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