This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

NASA's vision of building a moon base has begun to take shape. Here's what to know ahead of the latest update coming today ...

Scientists propose building a lab on the moon to screen Mars and other space samples for alien microbes before they ever ...

A provocative study suggests that Jupiter’s frozen moon Europa may not only be hospitable, but that life from Earth could be ...

Something is absorbing light on the surfaces of Pluto and Saturn’s moon Titan, and figuring out what it is could be crucial ...

The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper. Reading time 3 minutes In our search for life beyond Earth, we might ...

Alien civilizations may have left traces. We just may not have been looking in the right place.

The nature of space, time and the evolution of life on Earth mean it’s unlikely extraterrestrial life has visited our home planet.

Most Americans believe that aliens exist — and more than one in five think they’ve already paid our planet a visit, according to an out-of-this world new poll. Some 63% of Americans said they’re ...