Scale in the universe is hard to understand from a purely human perspective. Many times, the math just doesn't sit well with ...

An intense demolition derby of at least six galaxies smashing into one another has been found lurking in the early universe ...

New observations from the James Webb Space Telescope show that ancient galaxies lived fast and died young because of intense, collision-driven winds.

Travel 60 million light-years away into the constellation Virgo to catch a glimpse of interacting galaxies NGC 4568 and NGC ...

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

Using the Subaru Telescope's wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny satellite galaxy of the Milky Way. The newly discovered structure exhibits ...

JWST and radio interferometry caught six massive galaxies colliding 12 billion years ago, while a young supermassive black ...

Whether or not galaxies merge depends on how strong the gravitational attraction is between the galaxies and whether the universe’s expansion is more powerful than gravity. Gravity affects everything ...

All massive galaxies are believed to host supermassive black holes millions or billions of times the mass of the Sun. When galaxies merge — which we know they do, and frequently — it seems a foregone ...

This artist’s impression shows two tiny but very dense neutron stars at the point at which they merge and explode. ESO/L. Calçada/M. Kornmesser, CC BY Billions of light years away in a remote part of ...