Some galaxies hit a point in their lives when their star formation is snuffed out, and they become “quenched.” Quenched galaxies in the distant past appear to be much smaller than the quenched ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Researchers have ...

Astronomers have discovered the most distant cluster of galaxies ever observed and at the earliest stage of development yet witnessed. The proto-cluster - Cosmos-Aztec3 - is a burgeoning galactic ...

Two hungry young galaxies that collided 11 billion years ago are rapidly forming a massive galaxy about 10 times the size of the Milky Way, according to UC Irvine-led research conducted on the W. M.

(CNN) — Researchers have discovered a distant disc galaxy that has surprisingly similar characteristics to our own Milky Way, and it could change our understanding of how galaxies form. The galaxy, ...