Don Pettit, a NASA astronaut currently aboard the International Space Station, uses his camera to capture stunning images of ...

A celestial body is any natural object outside Earth's atmosphere. This includes stars, planets, moons, asteroids, comets, dwarf planets and meteoroids.

A study of supernova remnant SNR 0519-69.0 using the Chandra X-ray telescope, Hubble and more has narrowed down its age to several hundred of years. The remnant is located in the "Large Magellanic ...

At the edge of the Milky Way, there are a surprising number of hyper-fast stars that originate from outside. They apparently ...

Astronomers using the European Space Agency’s XMM-Newton telescope have made an unexpected discovery—two supernova remnants ...