PhysicsWorld's most powerful telescope takes us to the edge of a black hole On a desert mountain in Chile, a mega telescope is peering over the event horizon of a black hole – the aim is to test Einstein's theories to the limit Features
SpaceThe neon swirls that show how a map of our galaxy is made The Gaia satellite rotates as it scans the entire sky, creating beautiful patterns as it makes the best 3D map of our galaxy we have ever had Regulars