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.

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 ...

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

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 ...

In any globular cluster, all its stars formed at the same time, from the same cloud of gas. The Milky Way has more than 150 known globular clusters; these objects are excellent tools for studying, for ...

Leo P, a small galaxy and a distant neighbor of the Milky Way, is lighting the way for astronomers to better understand star formation and how a galaxy grows. Scientists have reported finding that Leo ...

There are no stars in the sky for the same reason you don't see stars during the day on Earth, according to NASA: The bright ...

Active galactic nuclei are supermassive black holes at the center of certain galaxies. As matter falls into these black holes ...

Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...