This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from ...

Cygnus X-1 was the first ever black hole discovered in the year 1960 which had 10 times more mass than the sun. It is galaxy ...

The Chandra X-ray Observatory captured imagery of a galaxy that "appears to have pulled in and assimilated all of its former ...

This image of the Milky Way galaxy was captured by the European Southern Observatory (ESO) at the Paranal Observatory in Chile, in collaboration with NASA. This image of the Milky Way, created by NASA ...

When stars explode as supernovas, they can cause serious cosmic carnage. Is Earth in any danger from any nearby stars?

(NASA) – This NASA/ESA Hubble Space Telescope image features NGC 1672, a barred spiral galaxy located 49 million light-years from Earth in the constellation Dorado.

That region of the Milky Way galaxy is known to include a supermassive ... than the light particles coming out of a light bulb. The cosmic-ray protons generated by the PeVatron travel at more ...

Astronomers revisited decades-old data from NASA’s Chandra X-ray Observatory, discovering bright, clumped “knots” in an ...

Related: World's largest visible-light telescope spies a galaxy cluster warping space-time ... Celsius), so hot that it radiates strongly in X-rays. NASA's Chandra X-ray Observatory has seen ...

In particular, the study looks at the high-energy jet of particles being blasted across space by the supermassive black hole at the center of the galaxy Centaurus ... about 80% the speed of light.

For a long time, astronomers believed that extremely high-energy radiation was produced only in the jets of active galaxies, far from Earth. But new observations from the High-Altitude Water Cherenkov ...

There are monstrous objects at the heart of every large galaxy — black holes that are millions or even billions of times more ...