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.

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 ...

Astronomers have made new discoveries about young star formation in the Large Magellanic Cloud (LMC), using the James Webb ...

The European Space Agency's Milky Way-mapper Gaia has completed the sky-scanning phase of its mission, racking up more than 3 ...

Astronaut Don Pettit has taken one of the most incredible astrophotography pictures ever, and possibly the best taken by ...

Use precise geolocation data and actively scan device characteristics for identification. This is done to store and access ...

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red ...

Astronomers have long tried to track down how elements like carbon, which is essential for life, become widely distributed across the universe. Now, NASA’s James Webb Space Telescope has examined one ...

After decades of study, scientists sound genuinely optimistic about the possibility of detecting primordial black holes, which might explain dark matter.

T he European Space Agency’s Gaia mission has almost completely depleted the cold gas propellant that kept it spinning and able to scan the sky, so it has decided to nominally end science operations ...

The atmosphere, a thin veil of molecules enveloping Earth, reaches about 20 miles (32 kilometers) above the planet's surface. It contains countless air particles, invisible to the naked eye, yet ...