Not that long ago,, astronomers weren't sure that exoplanets even existed. Now we know that there are thousands of them…
Auroras come in many shapes and sizes. Jupiter is well known for its spectacular complement of bright polar lights, which…
X-rays offer a unique insight into the astronomical world. Invisible to the naked eye, most commonly they are thought of…
A new study of x-ray bursts from a local magnetar confirms the origin of a fast radio burst.
If dark matter is made of sterile neutrinos, it should emit a distinct signature of x-rays.
Most of the potentially habitable exoplanets we've discovered orbit small red dwarf stars. Red dwarfs make up about 75% of…
Can black holes be famous? If they can, then the one at the heart of the M87 galaxy qualifies. And…
A team of researchers using the Chandra X-Ray Observatory have spotted a wave of hot gas larger than the Milky…
Using data from the Chandra observatory, a team of researchers witnessed the most distant X-ray explosion ever observed, and are…
A research team led by Caltech astronomers of Pasadena California have discovered an ultraluminous X-ray (ULX) source that is pulsating. Their…