A pair of quasars that existed when the universe was only 3 billion years old has been spotted by the Hubble Space Telescope.

Based on these initial findings, the team further developed extremely high-resolution simulations called "shock-tubes." ...

Composite color image of the interacting galaxy cluster El Gordo, showing X-ray light from NASA's Chandra X-ray Observatory in blue, optical data from the European Southern Observatory's Very Large ...

For the past quarter-century, scientists using a particle collider on Long Island have been smashing the nuclei of gold atoms ...

Quark-gluon plasma, a bizarre state of matter that mimics the early cosmos, is the hottest thing ever made on Earth ...

Physicists theorize our universe may have collided with another in the past, creating the Big Bang. Level two of the ...

The universe is expanding faster and faster, but not all scientists agree that dark energy is the cause. Perhaps, instead, our universe keeps colliding with and absorbing smaller 'baby universes,' a ...

An unusual bright blast of light detected by multiple telescopes in December 2021 was the result of a rare cosmic explosion that created a wealth of heavy elements such as gold and platinum. An ...

A collision of two massive clusters of galaxies when the Universe was half its current age should not have happened according to the standard theory of cosmology, says a new study by an international ...