Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

It has become one of the best-studied small, cold exoplanets, paving the way for studying its atmosphere to understand its similarity to our own planet Earth." "It also orbits a star with a ...

Ceres, the largest object in the asteroid belt, is a dwarf planet with frozen oceans and hints of ancient habitability, setting it apart from its rocky neighbors. With a solid core, icy mantle ...

A spacecraft has sent back some of the most detailed and breathtaking images of Mercury's north pole, shedding new light on the mysterious, shadowy regions of the small planet closest to the Sun.

On the last Saturday of March, it’s time to turn off those lights, have a little fun in the dark, and make a BIG impact!