A newly revealed cosmic image shows two galaxy clusters colliding as one. Nicknamed the Champagne Cluster, it offers rare ...

Webb and Chandra reveal two spiral galaxies after an encounter, exposing heated gas, newborn stars and distorted arms, while ...

Astronomers combined data from NASA’s JWST and Chandra X-ray Observatory to create a stunning new image of two merging spiral ...

NASA has released a new composite image of two spiral galaxies, NGC 2207 and IC 2163, as they begin a multi-billion-year ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from ...

Mid-infrared observations from NASA's James Webb Space Telescope, shown in white, gray, and red, are combined here with X-ray ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American Last month when scientists announced new ...

Understanding how galaxies grow has long stood as one of astronomy’s core challenges. Over time, scientists have gathered ...

CAPE CANAVERAL, Fla. — It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral ...

What happens when two rare ring galaxies collide? They form an infinity symbol—or the face of a cosmic owl, depending on how you look at it. The James Webb Space Telescope has helped two international ...

It turns out that looming collision between our Milky Way and Andromeda galaxies might not happen after all. Astronomers reported Monday that the probability of the two spiral galaxies colliding is ...

Galaxy mergers are not uncommon throughout the Universe; in fact, they're thought to be one of the major mechanisms whereby ...