Our galaxy and its nearest large companion, Andromeda, may be headed for a collision on a cosmic scale. What happens then?

A recently detected flash of energy appears to have emanated from the wreckage of colliding galaxies, according to an international team of astronomers led by Penn State scientists. The burst, known ...

The Champagne Cluster is a rare and beautiful example of two galaxy clusters smashing together. Its festive name comes from both its New Year’s Eve discovery and its bubbly appearance in space. Images ...

Water droplets on soap films orbited and merged like colliding galaxies, a technique that could help scientists study the ...

See amazing views of colliding galaxies NGC 520 and barred galaxy IC 4212 in imagery from the Siena Galaxy Atlas. Credit: ...

(THE CONVERSATION) Billions of light years away in a remote part of the universe, two neutron stars – the ultradense remnants of dead stars – collided. The catastropic cosmic event sent light and ...

Astronomers have mapped a vast "magnetic superhighway" powering intense star formation and violent 1.1 million miles per hour (500 kilometers per second) galactic winds inside the merging galaxy ...

Astronomers detect the most powerful space laser from colliding galaxies 8 billion light-years away, offering rare insights into the early universe and cosmic signals.

Using NASA’s Chandra X-ray Observatory and Hubble Space Telescope, researchers pinpointed a short gamma-ray burst to a faint galaxy that appears to be part of a larger group of galaxies about 8.5 ...

"When Arp 220 is observed as a whole, it's one of the best places in the universe for astronomers to study how gravity, star formation, and powerful winds work together with strong magnetic fields to ...

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 ...