Dark matter ‘clumps’ found by tapping into general relativity

f you’ve ever read anything about cosmology, you’ll have come across an astonishing statistic: all the matter around us, everything we see and touch, every star and gas cloud and planet, makes up just

JD Savage investigates a mysterious, invisible force that rules the universe. Just watch out it doesn’t pull you in!

The best discoveries, inventions and surprises

On 23 July 1999, Space Shuttle Columbia launched its heaviest-ever payload: the Chandra X-ray Observatory, a new flagship telescope for NASA. It is the world’s most powerful X-ray telescope, capable o

Galaxies come in all sorts of shapes and sizes. They can be broadly classified as spiral, elliptical or irregular, but each of these still leaves plenty of scope for variety. Take, for instance, the s

Neutron stars can suffer quakes far more powerful than anything on Earth