Astronomers have uncovered evidence of a rare and violent collision between two planets orbiting a star known as Gaia20ehk, located over 11,000 light-years from Earth. The unprecedented discovery, ...

A team of astronomers at the University of Washington has identified what appears to be the aftermath of two planets smashing into each other around a star roughly 11,000 light-years from Earth. The ...

Astronomers found a Neptune-sized planet orbiting backwards around its star, but the usual explanation for its bizarre path is nowhere to be found.

Astronomers have long been puzzled by a cosmic mystery: planets orbiting two stars—like Star Wars’ Tatooine—are surprisingly rare, even though they should be common. New research suggests the culprit ...