If you thought planets only circled stars in neat, flat disks, think again. Scientists have uncovered compelling evidence for ...

A dazzling snapshot from ESO’s Paranal Observatory captures a rare sky parade — the Moon, a comet, and nearly every visible planet strung across the heavens. This celestial lineup is an optical ...

"A planet orbiting not just a binary, but a binary brown dwarf, as well as being on a polar orbit, is rather incredible and ...

Prevailing solar system formation theories indicate that ... and there is a seven-degree difference between its orbital plane ...