Space is packed with all sorts of weird and unexpected stuff, but this humongous, spinning string-thing raises a whole new ...

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 ...

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 ...

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

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 ...

Bits of the stars are all around us, and in us, too. About half of the abundance of elements heavier than iron originates in some of the most violent explosions in the cosmos. As the universe churns ...

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 ...