Astronomers have discovered a strange "marshmallow" world 580 light-years away from Earth. The planet, which orbits a red dwarf star, is believed to be the lowest-density gas giant we have ever ...
An artist's conception of a red dwarf star orbited by a marshmallow-like exoplanet. Credit: NOIRLab / NSF / AURA / J. da Silva / Spaceengine / M. Zamani Astronomers are finding all sorts of weird ...