Astronomers just measured a whole lot more than gravitational waves
Researchers around the world are collecting troves of new data from this latest event.
Scientists discover a cosmic-scale particle accelerator
Entire galaxy clusters have been swept up in this phenomenon.
Deepest X-ray image to date uncovers a black hole bonanza
It's a window into the histories of both black holes and the universe.
Watch a 450-year-old supernova continue to bloom
The type Ia supernova lit up the skies in 1572.
Solar storms trigger X-ray auroras on Jupiter
If you could normally see X-rays, they'd be awe-inspiring.
Hungry, hungry black holes gobble up huge gas and dust donuts
According to a new study using NASA's Chandra X-ray Observatory, there's a breed of supermassive b...