Discover the stunning 2500-megapixel photomosaic of Andromeda, created from 600 Hubble photos, showcasing the telescope's ...

Mars was at opposition as Earth passed by it in our faster, inner orbit. Mars is still very bright and will continue to be so ...

In the years following the launch of NASA's Hubble Space Telescope, astronomers have tallied over 1 trillion galaxies in the universe. But only one galaxy stands out as the most important nearby ...

Astronomers have unveiled the largest-ever photomosaic of the Andromeda galaxy, a sprawling celestial giant with over 1 ...

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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.

Scientists have detected emanating from the nucleus of a galaxy relatively close to our Milky Way flashes of X-rays gradually ...

Six or seven billion years ago, most stars formed in super star clusters. That type of star formation has largely died out ...

The James Webb Space Telescope has captured a mid-infrared picture of Sagittarius A*, filling in a long-standing gap in ...

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 ...

This is the largest photomosaic yet assembled from Hubble Space Telescope observations. It is a panoramic view of the Andromeda galaxy, located 2.5 ...