(CNN) — Astronomers have for the first time spotted two galaxies in the throes of a deep-space “duel.” Using combined observations from ground-based telescopes over nearly four years, the researchers ...

Scientists at the University of Missouri have identified a small group of unusual objects in the early universe. Using NASA's ...

New observations of a pair of colliding spiral galaxies hint at what might be in store for the Milky Way and the Andromeda galaxy if and when they collide. The findings, described in July in the ...

Surveying nearby galaxies in the process of merging with other galaxies, astronomers have identified massive, dense star factories, unlike any found in the Milky Way. The findings provide a rare ...

A galaxy that has remained unchanged for 7 billion years — a rarity in the universe — has been observed by astronomers, offering a glimpse into cosmic history and adding to an enigmatic collection of ...

(CNN) — A collision between our Milky Way galaxy and its largest neighbor, the Andromeda galaxy, predicted to occur in about 4.5 billion years, has been anticipated by astronomers since 1912. But new ...

It’s been textbook knowledge for over a century that our Milky Way galaxy is doomed to collide with another large spiral galaxy, Andromeda, in the next 5 billion years and merge into one even bigger ...

Astronomers have for the first time spotted two galaxies in the throes of a deep-space “duel.”Related video above: The dark energy pushing our universe apart may not be what it seems, scientists ...