NASA plans two Antarctic balloon launches to study extreme cosmic particles, using stable polar winds and continuous sunlight ...

Astronomers have identified a remarkable population of distant quasars whose radio jets balloon to scales that make our own ...

The vast majority of matter is dark – invisible until it is detected only through its gravitational effects. The newly discovered object could be a clump of dark matter, or it could also be a compact, ...

It’s always amazing, and more than a little humbling, when the universe reminds us that our “common sense” is provincial, ...

A mysterious object has been detected at the edge of the universe, sparking curiosity and debate within the scientific community. As researchers scramble to understand its origins and purpose, ...

Astronomers have been mapping vast cosmic structures for decades, from galaxy clusters to immense superclusters. But now, researchers have identified what they say is officially the largest known ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CAPE CANAVERAL, Fla. (AP) — Astronomers have ...