Galaxies like the Milky Way grow by merging with smaller galaxies over billions of years, unlike dwarf galaxies, which have long been thought to lack the heft to attract mass and grow in the same way.

A team of astronomers led by University of Arizona researcher Catherine Fielder captured the most precise photographs of a small galaxy and its surroundings re ...

The European Space Agency's Milky Way-mapping space mission Gaia, which involves UCL researchers, has completed its ...

Astronomers are celebrating the completion of a 2.5-billion-pixel panoramic picture of the entire Andromeda Galaxy. The team includes several UC Santa Cruz researchers who made significant ...

The Sagittarius A* supermassive black hole at the core of the Milky Galaxy may be "warping the spacetime surrounding it into a shape that can look like a football," according to the Chandra X-ray ...

NASA’s James Webb Space Telescope’s mid-infrared view of interacting galaxies Arp 142 seems to sing in primary colors. NASA’s James Webb Space Telescope has peered into the chaos of the Cartwheel ...

Nobody and nothing works forever, even space probes retire. The European space probe Gaia ended its work this week after more ...

The ESA will passivate Gaia on 27 March 2025, the one-of-a-kind observatory craft that unravelled many of the Milky Way's ...

The agency said that KSC, which shares space with the Merritt Island National Wildlife Refuge is a particularly favorable ...

The European Space Agency's (ESA) Gaia telescope has completed its objective - making the most detailed and precise map of ...

There’s plenty of action at the center of the galaxy, where a supermassive black hole (SMBH) known as Sagittarius A* (Sgr A*) literally holds the galaxy together. Part of that action is the creation ...

The James Webb Space Telescope captured photos of one of the earliest supernovas ever seen using infrared technology, and creating a time lapse of the phenomena.