It was the inimitable late Carl Sagan who had kindled in many of us curiosity about all things extra-terrestrial and the ...

Given the size and age of the universe, it should be full of species with technology far more advanced than our own. But so far there is no trace ...

Humans have been searching the stars for alien radio signals for decades — and so far, E.T. has not phoned home. But that doesn’t mean intelligent life isn’t out there, a new study hints. Rather, ...

Planets orbiting stars beyond the solar system come in all shapes and sizes but mostly fit into a few categories: large and hot gas giants, super-Earths that are slightly larger than our planet, ...

There is no chance in hell our species will be able to reach another Earth-like planet in the Universe in the foreseeable future, so the only way we can get a sense of the habitability of such places ...

For the first time, astronomers have seen the glow of alien planets circling sun-like stars. “This is a new era,” says the leader of one of the teams, Drake Deming from NASA’s Goddard Space Flight ...

Time works differently in space and on other planets, so the decade-plus that Alien Isolation fans have been waiting for the sequel might have felt like a blink of an eye on a different world. On ...