Using the James Webb Space Telescope, a team of international researchers have discovered chemical fingerprints of gigantic ...

If not in visible stars and galaxies, the most likely hiding place for the matter is in the dark space between galaxies.

The largest spinning structure ever seen was a giant rotating filament of the cosmic web, a rotation with clues about how ...

The night sky may look calm, but behind the glowing points of light lies a violent and complex process of creation. Stars, some heavier than millions of Earths, are born through fierce struggles ...

Stars powered by dark matter instead of nuclear fusion could solve several mysteries of the early universe, and we may have ...

A surprisingly mature spiral galaxy named Alaknanda has been spotted just 1.5 billion years after the Big Bang—far earlier ...

A surprisingly mature spiral galaxy from cosmic dawn is rewriting ideas about how fast the Universe built its first galaxies.

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

An international team led by ICREA researcher Mark Gieles, from the Institute of Cosmos Sciences of the University of Barcelona (ICCUB) and the Institute of Space Studies of Catalonia (IEEC), has ...