An object eight times the mass of Jupiter may have swooped around the sun, coming superclose to Mars' present-day orbit ...

We can judge the value of any scientific endeavour based on how much of our knowledge it overturns or transforms.

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass ...

What I am about to disclose does not happen every time, so take this chance and observe the skies this January 2025.

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

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

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

A hidden structure that is 5000 degrees and moving was discovered inside the Earth's core. What do the past, present and ...

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

A rare parade of planets will light up the night sky throughout January. Six planets will be in alignment for the rest of the ...

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