Interstellar echoes from a flaring neutron star have allowed astronomers to solve a mystery -- pinpointing the star's location.
It takes a mighty wind to keep stars from forming. Researchers have found one in a galaxy far, far away -- and NASA made a short movie about it.
In 1908, a doctor used X-rays to highlight the damaging effects of tight corsets on a woman's body.
Scrolls that were damaged, but not destroyed, in the eruption of Mount Vesuvius may now be read for the first time in nearly two millennia.
The riddle of how a hamster stuffs so much chow into its cheeks is solved by an inside look at how those pouches operate.
An X-ray telescope designed to hunt for black holes takes a look at the sun and helps NASA deliver an intense portrait of our closest star.
Ever wondered what your skeleton looks like in motion? Take a look at these gifs of joints in action under X-ray.
Mummies on display at the British Museum have been painstakingly X-rayed in high definition to reveal the layers beneath the sarcophagus.
While lower-energy "soft" X-rays can already image living cells, the higher-energy "hard" ones that can view objects as small as a few nanometers haven't been able to -- until now.
NASA's Chandra X-ray Observatory captures the first-ever X-ray of an exoplanet passing in front of its parent star in a system that is 63 light-years from Earth.