Edwin Hubble's revelation in 1924 that the Andromeda Nebula was, in fact, an 'island universe,' was a pivotal moment in our ...

Astronomers have observed a galaxy ripping through galactic debris left by multiple collisions at a dangerous "cosmic ...

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 ...

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 ...

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

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

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

A galaxy traveling at a blistering two million miles per hour (3.2 million km/h) has torn through five neighboring galaxies, ...

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

The collision was triggered by a rogue galaxy, hurtling through space at an incredibly high speed of 2 million mph.

An image revealing the age of high-energy plasma in Stephan's Quintet, as captured by radio observations with the VLA and LOFAR. The blue colours indicate older, low-energy plasma, while the orange ...