A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope. The quasars were powered by a pair of supermassive black holes on a ...
Galaxy merger is a crucial process in galactic evolution that has happened since the first galaxies came into being. Now JWST ...
Using observations from the James Webb Space Telescope (JWST), the researchers identified an ongoing merger event of at least ...
In its first moments, the infant universe was a trillion-degree-hot soup of quarks and gluons. These elementary particles zinged around at light speed, creating a "quark-gluon plasma" that lasted for ...