"Why do they have the same rotation? They must have a connection with each other — that would be a very strong question that ...

Astronomers are closer than ever to working out how the biggest galaxies in the cosmos grew so quickly before dying.

Since it came online in the summer of 2022, the James Webb Space Telescope has observed some of the most distant and ancient ...

For a long time, astronomers believed galaxy formation followed a very specific model: cosmic gas collects in clumps, stars ...

A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

As the universe expands (as it does in a dark matter-dominated universe) the distance between us and all other stars ...

Much of the mass in the universe lies not in stars or galaxies, but in the space between them, known as the intergalactic ...

The Hubble Space Telescope captured an image of NGC 4694, a galaxy that possesses unusual properties that complicate its ...

More than 99% of Americans live under skies polluted by light. But dark skies at the Grand Canyon and more than 145 other ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, ...

Astronomers have identified three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after the Big Bang. This surprising discovery was made ...

The Dark Energy Spectroscopic Instrument uses a telescope in Tucson, Arizona, to create a map of the universe's ...