These rare "super-puff" planets, named TOI-791 b and TOI-791 c, are the largest known exoplanets of their kind and are now ...

Astronomers have discovered a new class of exoplanet that defies traditional categories of planetary classification. In a groundbreaking study published in Nature Astronomy, researchers led by the ...

Two newly confirmed "super-puff" planets are so diffuse that they are less dense than cotton candy, despite being about the size of Jupiter. Their rare orbital relationship and enormous, lightweight ...

An international team of scientists has identified a completely new type of rock from the red planet and, for the first time, ...

There's so little we know about circumbinary planets—planets that orbit two stars instead of one—that they can feel like the stuff of fantasy. And for good reason: to date, we've only confirmed the ...

A new satellite survey has found nearly 30 unusual planets orbiting two stars instead of one, similar to Tatooine, the fictional home of Star Wars protagonist Luke Skywalker. Such circumbinary planets ...