A black hole jet from the Centaurus A galaxy is "hitting something along its path," that is baffling astronomers. The Chandra X-ray Telescop team takes you on a tour of the system. Credit: NASA/CXC/A.

Using combined observations from ground-based telescopes over nearly four years, the researchers saw the distant galactic ...

Cosmic rays' power source has long remained a mystery, yet new research may finally provide the answer to where particle ...

"We see for the first time the effect of a quasar's radiation directly on the internal structure of the gas in an otherwise ...

Coll Thrush's new book, "Wrecked," examines the shipwrecks in the Graveyard of the Pacific, the Northwest Coast.

Some are active, feeding on massive amounts of surrounding matter—sometimes as much as several suns per year. While most of ...

Astronomers watched as a galaxy with the forgettable name SDSS1335+0728 suddenly sprang to life when its massive black hole ...

Dark matter is more than five times as abundant as all the visible matter in the universe. So why can't we see any of it?

As authorities scour New Orleans for escapees from an audacious jailbreak, they are also confronting entrenched mistrust in ...

If it’s true, this work could have ramifications for some of the biggest mysteries of the universe, including learning where ...