Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice ...

“What we’ve been trying to do is find a baby version of our Solar System somewhere else,” Merel van’t Hoff, an astronomer at Purdue University in West Lafayette, Indiana, tells Nature’s Jenna Ahart.

A rare lunar occultation, fading crescent moon, and an interstellar visitor make for a memorable week of stargazing in ...