A young star called V1298 Tau is giving astronomers a front-row seat to the birth of the galaxy’s most common planets. Four ...

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals. When you purchase through links on our site, we may earn an ...

Polygon has rounded up the best icy sci-fi planets from our favorite video games, movies, television, and books ...

In “Citizen Science in Astronomy (Part 7),” SETI Institute astronomers Dr. Franck Marchis and Dr. Lauren Sgro highlight two rare and compelling discoveries and the crucial role of citizen scientists ...

Researchers estimate that the planet has about a 50% chance of being in its star's Hoble zone.

what if a planet did not need a star at all? This is the provocative question at the heart of an emerging astronomical debate, wherein the discovery of rogue planets-worlds free-floating in the galaxy ...

Astronomers may have demoted Pluto from full-fledged planet to dwarf status, but evidence suggests the solar system may still host a mysterious ninth planet — far beyond Neptune, cloaked in shadow and ...