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

Three ultramassive galaxies found by the James Webb Space Telescope have astronomers reconsidering how galaxies grew so ...

To explore the galaxy and hunt for resources, intelligent aliens might need to turn their home stars into natural spaceships, ...

As the universe expands (as it does in a dark matter-dominated universe) the distance between us and all other stars ...

The dramatic impact has been observed in unprecedented detail in Stephan's Quintet, a nearby galaxy group first sighted ...

Astronomers have taken the first close-up image of a star beyond our galaxy, and it’s a “monster star” surrounded by a cocoon ...

In the early Universe, long before they should have had time to grow, astronomers have found what they're calling 'red ...

WOH G64 is a red supergiant 160,000 light-years from Earth demonstrating erratic behavior over the last decade ...

Giant filaments crisscross the universe, connecting galaxy clusters like superhighways between cities. Their shape and ...

The chances of intelligent life emerging in our Universe -- and in any hypothetical ones beyond it -- can be estimated by a new theoretical model which has echoes of the famous Drake Equation. This ...

The Dark Energy Spectroscopic Instrument uses a telescope in Tucson, Arizona, to create a map of the universe's ...