Scientists have discovered unexpected water-ice clouds on a distant, Jupiter-like exoplanet, challenging current atmospheric ...

Starlight has been the key to finding thousands of exoplanets over the past decade, but researchers have found a new way to harness it in their hunt ...

Aristotle believed the planets revolved around Earth and God could not have created other worlds. Today, scientists scour the ...

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, ...

Astronomers have spotted a planet orbiting a star in our neighborhood of the Milky Way galaxy that presents a unique hellscape – covered with a perpetual ocean of magma and enveloped by a noxious and ...

Scientists reveal how waves behave on alien planets, from towering methane seas on Titan to nearly still lava oceans on ...

A new study suggests alien life may be easier to detect through clusters of similar planets rather than single biosignatures.

If forced to choose one descriptor for the octopus, the best word may be “otherworldly.” These truly amazing marine animals ...

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 ...