Content about “
gravity
”

Podcast

What is time: The podcast

This podcast featuring Paul Davies, a theoretical physicist and cosmologist at Arizona State University and Director of BEYOND: Centre for Fundamental Concepts in Science, explores this difficult question and accompanies our What is time article.
Article

Maths in a minute: Dark matter

Physicists believe that around 82% of all the matter in the Universe is invisible dark matter. But if it's invisible how do they know it's there?
News story

Black holes exist!

Finally we can be sure — black holes, those gravitational monsters that gobble up everything that gets too close to them, do exist.
Article

Light weight

Does light have weight? Newton thought so. His laws predicted that gravity would bend light, two centuries before Einstein's revolution.

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