12 billion years of black hole history are revealed through x-rays and simulations

Seeking answers to your science questions? Ask our resident expert, Peter Gallivan

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

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

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

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

“Hands of Saint Dominic” by Albrecht Dürer, 1506; ...