'Do all aliens really need sunlight?' ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression of a theoretical planet orbiting a redder star, which could cause microbes and plants on the planet's ...

For years, the search for alien life has focused on Earth-like planets orbiting distant stars. But this episode explores a ...

This artistic illustration shows the TRAPPIST-1 red dwarf star system, home to seven Earth-sized exoplanets, several of which lie within the star’s habitable zone. In the foreground is TRAPPIST-1 b, ...

One of them is about 4.2 light years away - more than a whopping 24 trillion miles from Earth! Find out more here.

Astronomers have narrowed down the cosmic search for life, identifying fewer than 50 rocky planets among thousands of known exoplanets that may have the right conditions to support life. Using new ...

Alien planets are far away but extreme lasers on Earth are giving scientists a way to investigate what they're like.

What would alien life from another planet be like? But we rarely ask the opposite: What would they think of us?

NASA officials have previously spoken of the possibility of extraterrestrial life amid scientific uncertainty while ...

Planet Comicon KC is celebrating its 27th year at Bartle Hall, marking its evolution from a small suburban comic book show into the largest event of the year held at the venue.

Humans have wondered for centuries whether we are alone in the universe — and a new study suggests that if alien ...