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

Alien world exploration reveals a dramatic planet covered in glowing molten surfaces and thick storm clouds in deep space.

By applying machine learning to vast TESS datasets, researchers have built one of the most precise catalogs of nearby exoplanets to date.

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 ...

Humans should look to planetary alignments outside of the solar system when searching for signatures of extraterrestrial communications, scientists say. The nascent search for radio transmissions from ...

What if the government offered you a one‑way ticket to another planet? This video explores the astonishing story of a secret ...

Astronomers have discovered 41 new alien planets in one sweep by analyzing how each world gravitationally yanks on its neighbors. The newly confirmed exoplanets were spotted by NASA's prolific Kepler ...