The curious minds at What If imagine the astonishing scenario of the James Webb Telescope discovering alien life, exploring ...

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

Titan might be the most hauntingly Earth-like world we’ve ever found — but twisted into something alien. Beneath its thick ...

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

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

Our universe does host life, but another one might be even better suited for life. Here’s what you’ll learn when you read this story: Researchers are studying how hospitable our universe is to ...

A new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for ...

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

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

UK filmmaker Mark Christopher Lee claims Donald Trump has written a UFO disclosure speech confirming aliens exist, allegedly set for 8 July at the UN.

Whether or not aliens exist, the SETI program has never stopped believing. Yet today, radio telescopes are no longer seen as the best way to ...

A Brazilian neurosurgeon claims he performed surgery on a living alien, revealing shocking details from the 1996 Varginha UFO incident.