Content about “

general relativity

”

We asked cosmologist Pau Figueras everything we’ve ever wanted to know about black holes. In this podcast he explains what black holes are, physically, and how we hope to observe them.

Can physics do for maths what maths has done for physics?

A quick tour to some of Hawking's most significant achievements.

Cosmology has an ambitious goal: to understand the Universe in its entirety. Find out more here.

Find out all you need to know about the cosmic microwave background in this comprehensive overview.

Find out about the heroic effort that led to the detection of gravitational waves and the excitement of their discovery.

A quick introduction to one of the greatest discoveries of the century.

A quick introduction to the monsters that lurk at the centre of each galaxy.

Has the future already already been written? Is time just an illusion? Take a step outside of spacetime with cosmologist Marina Cortês to discover the block universe.

Fundamental physics says time is symmetric - so why does time move forwards for us in a block universe?