New James Webb telescope observations of the 'super-puff' planet WASP-107b show that the exoplanet's runaway atmosphere is ...

Planet hunters have grown used to strange worlds, but a handful of discoveries now point to something even more radical: ...

After decades of searching, astronomers may have finally stumbled upon the first moon known to exist beyond our solar ...

A FIERY hell-world that would instantly roast visitors alive has a vast lava ocean – and may be packed with rare gems. The ...

With temperatures reaching almost 2,000 degrees Celsius on its dayside, LTT 9779 is one of the few known planets in the "hot ...

A depiction of a gas giant planet with rings orbiting a distant star. Astronomers detected hundreds more new worlds beyond the solar system this year and worked to better understand what makes them ...

Astronomers have discovered a distant exoplanet with a tail that stretches over 5.5 million miles long. Astronomers have accidentally found a planet with a debris trail like a comet that stretches up ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and exciting." Scientists have perhaps discovered the weirdest planetary system ...

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