Galaxy clusters are home to many giant elliptical galaxies that have completed their growth and are not forming stars.

A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's supermassive black hole Sagittarius A*. See W.M. Keck Observatory imagery of X7 ...

This NASA/ESA Hubble Space Telescope image reveals a tiny patch of sky in the constellation Hydra. The stars and galaxies ...

Multiple wildfires, including the Palisades Fire and Eaton Fire, are raging across Southern California Thursday, leaving at ...

In 2025, keep an eye on the Southern Cross (known as Crux to astronomers) and Sagittarius (the archer). The Southern Cross is ...

NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel Galaxy, revealing new details about star formation and the galaxy’s central black hole. A festive portrait of our Milky Way ...

A year of discovery awaits, with missions poised to reveal new insights about our home planet, solar system, galaxy, and ...

Astronomers have achieved a groundbreaking feat by capturing the first clear image of a star in another galaxy. This ...

It proved the Andromeda Nebula is immensely distant from Earth, demonstrating that the Milky Way is not the whole universe, ...

"The Spiderweb protocluster is an ideal laboratory for investigating the relationship between black holes and star formation ...

During the early morning of Monday 8 September, the full Moon will move into the shadow of Earth and be totally eclipsed. The ...