X-ray astronomy

Astronomers Finally Catch a Nova Detonating on a White Dwarf as it's Happening

On July 7, 2020, the X-ray instrument eROSITA captured an astronomical event that – until then – had only been…

3 months ago

NASA Launches a New X-ray Observatory

A new mission has launched to study some the most intriguing secrets of the universe. No, not THAT spacecraft (JWST…

8 months ago

Astronomers Might Have Found a Planet in Another Galaxy

Not that long ago,, astronomers weren't sure that exoplanets even existed. Now we know that there are thousands of them…

9 months ago

Ions Surf Through Jupiter’s Magnetic Field, Triggering its Auroras

Auroras come in many shapes and sizes.  Jupiter is well known for its spectacular complement of bright polar lights, which…

1 year ago

Uranus X-Rays are Probably Reflected Sunlight, but There Could be Another Source as Well

X-rays offer a unique insight into the astronomical world.  Invisible to the naked eye, most commonly they are thought of…

1 year ago

One Type of Fast Radio Bursts… Solved?

A new study of x-ray bursts from a local magnetar confirms the origin of a fast radio burst.

1 year ago

If Dark Matter is Made of Sterile Neutrinos, a new Survey has Narrowed Down What to Look for

If dark matter is made of sterile neutrinos, it should emit a distinct signature of x-rays.

2 years ago

Even older red dwarf stars are pumping out a surprising amount of deadly radiation at their planets

Most of the potentially habitable exoplanets we've discovered orbit small red dwarf stars. Red dwarfs make up about 75% of…

2 years ago

M87’s Black Hole is Firing Out Jets that Travel 99% the Speed of Light

Can black holes be famous? If they can, then the one at the heart of the M87 galaxy qualifies. And…

3 years ago

A Single Wave, Bigger Than the Milky Way, is Rolling Through the Perseus Galaxy Cluster

A team of researchers using the Chandra X-Ray Observatory have spotted a wave of hot gas larger than the Milky…

5 years ago