Stephan’s Quintet is a huge intergalactic field of debris. The five galaxies in it were discovered nearly 150 years ago.

Scientists have watched in unprecedented detail as galaxies smashed into each other at two million miles per hour. The team ...

A galaxy racing through space at an astonishing speed of two million mph (3.2 million km/h) has created a dramatic collision.

The research, published in the Monthly Notices of the Royal Astronomical Society, offers a preview of the potential future of ...

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

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

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

A team of more than 60 astronomers spotted NGC 7318b smashing through Stephan's Quintet, and their findings were published in ...

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

A massive collision of galaxies sparked by one travelling at two million miles per hour (mph) has been seen in unprecedented ...

A galaxy traveling at a blistering two million miles per hour (3.2 million km/h) has torn through five neighboring galaxies, creating one of the most powerful intergalactic shock waves ever observed.

Astronomers have captured the high-speed collision of two galaxies, providing insights into a cosmic event that mirrors ...