Using one of the most powerful telescopes on Earth, astronomers have witnessed an intimidating 2-million-mile-per-hour ...

A shockwave caused by the galaxy NGC 7318b slamming into four other galaxies is akin to a "sonic boom from a jet fighter." ...

A massive collision of galaxies sparked by one traveling at a scarcely-believable 2 million mph (3.2 million km/h) has been ...

Scientists have finally imaged a star outside of the Milky Way for the first time. Here's what it looks like and how they did ...

Astronomers have snapped the first detailed close-up image of a star outside the Milky Way, and what they found is amazing.

“While many processes in galaxy evolution limit how efficiently gas can turn into stars, these Red Monsters seem to have ...