A beam of particles speeding away from the vicinity of a monstrous black hole has been found to be severely kinked, providing compelling evidence that the black hole is actually part of the most ...

You’ll see some irregular galaxies that look like nothing, and some barred spirals that look like everything. Along the way, you’ll learn about what kinds of stars make up each kind of structure, and ...

A stunning new image of a cosmic jet has helped astronomers unlock the mystery behind the unusually bright emission of high-energy gamma rays and neutrinos from a peculiar celestial object. The source ...

Thanks to a theory put forward by Albert Einstein over 100 years ago and a happy coincidence, astronomers have discovered ...

"We have never seen anything quite like it." For about 15 years, a powerful radio telescope on planet Earth dutifully recorded data about a location in the cosmos billions of light-years away from us ...

“Looking straight into the Eye of Sauron” is how Alexander Plavin of the Center for Astrophysics characterized the instant his team built the most detailed picture yet of PKS 1424+240 a blazar whose ...

A bright galactic nucleus with a supermassive black hole that spews out cosmic radiation is pointing straight at us. Thankfully, the object, unimaginatively dubbed “PKS 1424+240,” is located roughly 7 ...