Deep space has just delivered a cosmic riddle that refuses to fit any familiar category. Astronomers using some of the most powerful observatories ever built have identified a vast, dim structure that ...

Astronomers have identified a mysterious deep-space object that appears to defy current scientific understanding, prompting renewed debate about how the universe forms and evolves over time. The ...

Scientists using a global array of radio telescopes have detected the universe’s lowest-mass dark object by observing how it warped light through gravitational lensing. The invisible mass, about a ...

Scientists have long know many objects floating at the solar system's out edges resemble snowmen, but the reasons why were never clear. Now a student at Michigan State University has created the first ...