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

Astronomers have discovered an additional 100 new worlds in data collected by NASA's exoplanet-hunting spacecraft TESS, thanks to an innovative AI program.

Using fresh data from ESA’s Gaia mission, scientists have found 45 rocky planets that might have the right conditions for ...

Billions of stars in our Milky Way galaxy have captured rogue alien planets that once cruised freely through interstellar space, a new study suggests. Many wandering alien worlds, which were ejected ...

As the number of exoplanets we've discovered increases, the question about life existing somewhere other than the Earth ...