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, ...

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

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

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 ...

The search for alien life often sparks the imagination with images of extraterrestrial beings and strange worlds. However, a new theory is shifting the focus—what if life elsewhere in the universe ...