Astronomers are just beginning to scratch the surface of the complex, and sometimes violent, relationships between planets ...

The distant world WASP-121b is so hot that it hosts metallic clouds and rains gems. Astronomers discovered the gas giant planet — dubbed a "hot Jupiter" — in 2016, but have continued to investigate ...

The New Horizons Pluto flyby revealed unexpectedly complex geological features on dwarf planets, prompting further investigation into the diversity within the Kuiper Belt. Several dwarf planets, ...

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million miles long. Credit: Jose-Luis Olivares / MIT illustration Astronomers have accidentally found a planet with ...

A rare exoplanet that should have been stripped down to bare rock by its nearby host star's intense radiation somehow grew a puffy atmosphere instead—the latest in a string of discoveries forcing ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Astronomers have ...

A strange 200 million-year-old object with the mass of a planet has been discovered 20 light-years from Earth, outside our solar system. The "rogue," as it's referred to by researchers, is producing ...

Nathan W. Pyle, whose ‘Strange Planet’ comic is now a series on Apple TV+, praises collaborator Dan Harmon for helping him realize a world inspired by a piece of conventional sci-fi wisdom. Strange ...

National Geographic is getting weird tonight—literally. Across six episodes, National Geographic's new show Planet Weird is celebrating some of the planet's most extraordinary wild characters, each ...

NASA scientists have reported an unusual signal in near-Earth space, describing a phenomenon they have not previously ...

Washington, DC – Using a network of small automated telescopes known as HAT, Smithsonian astronomers have discovered a planet unlike any other known world. This new planet, designated HAT-P-1, orbits ...

Meet HD 98800, a nearby quadruple‑star system in the constellation Crater. It sits about 150 light‑years away and is 10 million years old.