X-Ray Astronomy

Chandra’s Verdict on the Demise of a Star: “Death by Black Hole”

This week, astronomers announced the detection of a rare event, a star being torn to shreds by a massive black…

11 years ago

Rare White Dwarf Systems Do A Doubletake

For those of us who remain forever fascinated by astronomy, nothing could spark our imaginations more than a cosmic curiosity.…

11 years ago

‘Light Echos’ Reveal Old, Bright Outbursts Near Milky Way’s Black Hole

How's that for a beacon? NASA's Chandra X-ray Observatory has tracked down evidence of at least a couple of past…

11 years ago

This Neutron Star Behaves Just Like The Hulk

When Bruce Banner gets angry, he gets big and green and strong and well, vengeful. The Hulk is the stuff…

11 years ago

Our Galaxy’s Supermassive Black Hole is a Sloppy Eater

Like most galaxies, our Milky Way has a dark monster in its middle: an enormous black hole with the mass…

11 years ago

“Blue” Exoplanet Now Seen in X-rays for the First Time

In the medical field, X-rays are used for finding and diagnosing all sorts of ailments hidden inside the body; in…

11 years ago

Black Holes Can Get Really Big, And We Have No Idea Why

Right now, as you read this article, it's quite possible that the ultra-huge black hole at the center of our…

12 years ago

NGC 6240: Gigantic Hot Gas Cloud Sheaths Colliding Galaxies

Looking almost like a cosmic hyacinth, this image is anything but a cool, Spring flower... it's a portrait of an…

12 years ago

Black Holes, Fermi Bubbles and the Milky Way

Deep at the heart of our galaxy lurks a black hole. This isn't exciting news, but neither is it a…

12 years ago

NuSTAR Puts New Spin On Supermassive Black Holes

Checking out the spin rate on a supermassive black hole is a great way for astronomers to test Einstein's theory…

12 years ago