After 11 years mapping the Milky Way, the European Space Agency's Gaia space telescope has retired. Scientists hailed it as ...

It drives the movements of stars and galaxies, but dark matter is invisible. While it remains a colossal mystery, a study ...

For Marcela Carena, her life’s work started as a little girl on the Pampas of Argentina, looking up at the Milky Way.. Her ...

Discovered through the keen eyes of the James Webb Space Telescope, this galaxy traveled across eons to deliver a message: ...

Euclid has opened a new window to the cosmos with its first deep sky data release, revealing millions of galaxies, ...

Euclid is on a quest to unravel one of the universe’s greatest mysteries: why it's expanding faster and faster. With help ...

The smaller, intermediate mass black hole was likely derived from the Sausage Galaxy, which collided with the Milky Way 10 ...

New Technique to Detect Dark Matter Using Atomic Clocks and Lasers ... three ultra-massive galaxies -- nearly as massive as the Milky Way -- already in place within the first billion years after ...

A whole universe of hidden galaxies lies just beyond what the eye can see. Thanks to a new generation of space telescopes, astronomers are now revealing these distant, dim worlds—some no bigger than a ...

The Big Wheel galaxy formed just 1.7 billion years after the Big Bang, at a time when the universe was only 15% of its current age.

The spins of some early galaxies could be a clue that the entire observable universe exists within a black hole—except, that ...