A cornerstone of Milky Way history may need rewriting with evidence of multiple ancient mergers

Astronomers may have uncovered new details about one of the Milky Way's most important ancient collisions. Using data from ...
Morning Overview on MSN

On the pulsar planet PSR J2322-2650b, a year lasts just 7.8 hours and the world is stretched into a lemon shape by its dead star’s brutal gravity

A Jupiter-mass planet orbiting the millisecond pulsar PSR J2322-2650 completes a full year in roughly 7.8 hours, placing it ...