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

That Rich was presenting the story of Edwin Hubble at the January 2025 AAS meeting was symbolic, for it was at the 33rd ...

Some space conspiracy theories just won't go away.

Rare planetary alignment featuring Venus, Saturn, Jupiter, and Mars promises celestial splendour in the southern hemisphere's twilight skies.

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

These are the planets that will be visible with the naked eye. A rare parade of planets will light up the night sky ...

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

These massive currents carry material on a journey through and around star-forming galaxies before they settle and form stars ...

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 ...

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.

Our sun is a lonely star. At least half the stars in our galaxy have binary companions. This was nicely illustrated in the ...

Photo: Mitchell Clark Astronomy photographers, your time to shine is here. The 2025 Astronomy Photographer of the Year ...