The largest of three newly found ring shaped structures in the cosmos are almost a million light-years across.

New research suggests that this mystery platinum signature underneath the Greenland ice sheet may have originated from a ...

A newly discovered space rock zoomed safely by Earth on Wednesday (Oct. 15) at only about a quarter of the average distance ...

A newly discovered dwarf planet could hold the key to unlocking the mysteries of our solar system’s outer reaches — but what ...

Texas lawmakers want to move the Smithsonian’s retired space shuttle to Houston. It’s “a vanity project that is apt to ...

Astronomers have observed a supermassive black hole far from the center of a galaxy where it ought to be giving off bright ...

Astronomers have discovered a surprisingly "pristine" red giant with the lowest concentration of heavy elements ever seen in ...

A new book and documentary from James Bluemel tells the story of the space race so far in photographs, a mix of images from ...

In a galaxy 650 million light-years away, a black hole has defied the typical rules of cosmic behavior, unleashing an event ...

A newly discovered odd radio circle in space could serve as a time capsule for the violent events that shape galaxies.

Using various space telescopes, an international team of astronomers have observed a newly detected very faint X-ray ...