Chandra X-Ray Observatory

Scattered X-rays from space: Turning noise into signal

NuSTAR sees X-rays from astronomical objects it's not pointed at, so, bonus.

By Phil Plait | 

4 months ago

Over a dozen voracious supermassive black holes seen in a distant galaxy protocluster

Supermassive black holes get an early start in galaxy clusters.

By Phil Plait | 

5 months ago

How two galaxies got the gift of a black hole

So that's how some galaxies got their black holes...

By Elizabeth Rayne | 

8 months ago

Two monster black holes roar, carve out enormous cavities around them

Huge holes in a galaxy blown out by huge black holes.

By Phil Plait | 

9 months ago

So this is what really happens during the most epic galactic crashes

What did merging galaxies go through through between the first and last phase? Now we know, and it's gnarly.

By Elizabeth Rayne | 

9 months ago

Wait...is that the first planet we’re seeing outside of our galaxy?

Somewhere in the galaxy Messier 51, NASA's Chandra X-ray Observatory saw what might be a planet.

By Elizabeth Rayne | 

11 months ago

A supermassive black hole that can't stop erupting

By Phil Plait | 

1 year ago

Baby stars throw big tantrums. Very, very big tantrums. And they do it a lot.

By Phil Plait | 

1 year ago

The first lone neutron star ever seen outside the Milky Way

By Phil Plait | 

1 year ago

Incredible image: Gorgeous magnetic chaos in the galactic center

By Phil Plait | 

1 year ago