Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

Alien director Ridley Scott eventually returned to the franchise, but couldn't complete his ambitious plans. Here's what his ...

What started as a quiet rivalry between two billionaire space dreamers has turned into one of the ugliest feuds in tech. Elon ...

Nasa is attempting an unprecedented mission to rescue its ageing Neil Gehrels Swift Observatory before it re-enters Earth’s ...

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 ...

US firm Vast is developing spinning space stations with artificial gravity to keep astronauts healthy on deep-space missions and push the search for alien life.

There’s no data to suggest that aliens exist. However, if we believed they existed and came to Earth, our planet would offer ...

Fourth of July streaming spikes revive classic patriotic films as audiences seek history, nostalgia and Americana.

Scientists propose a simple but powerful new method for detecting traces of alien biology, whether on Jupiter's icy moons, in ...

The European-led LIFE mission aims to use spacecraft in formation to look for biosignatures.

Add Yahoo as a preferred source to see more of our stories on Google. But the literal meaning of “extraterrestrial” is simply “from outside Earth”. In that broad sense, the only extraterrestrials ...