NASA's James Webb Space Telescope (JWST) has produced a new image of the Bullet Cluster, which is a titanic collision between ...

Because it doesn't interreact with light or electromagnetism, dark matter exists to us only through its influence on visible ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

NASA’s Chandra X-ray Observatory has detected a massive X-ray jet from quasar J1610+1811, 11.6 billion light-years away. The jet travels at nearly the speed of light, ...

Andromeda never looked as good as it does in a new image from the Chandra X-ray observatory and a range of powerful ...

This is the first time an object in its class has been detected in X-rays. The discovery could lead to a better understanding ...

NASA's Chandra X-ray space telescope has captured a breathtaking image of the neighboring Andromeda galaxy, in a tribute to ...

What would happen if you put a baseball-sized piece of neutron star on the Earth? Would it fall to the core of the Earth and ...

NASA's Chandra X-ray Observatory provides a new look at the Andromeda galaxy in this multi-wavelength image that includes ...

Hubble spotted a rare off-center black hole shredding a star, revealing the first optical discovery of a wandering ...

NASA's Chandra Observatory has combined different wavelength images of the Andromeda galaxy to honor astronomer Vera Rubin, and then created a music video by converting the light in those images to ...

NASA's Chandra X-ray Observatory has detected powerful black hole jets emanating from a galaxy 11.6 billion light-years away. These jets, formed durin ...