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.
News story

Spacetime does ripple

Physicists have finally detected the gravitational waves they have been chasing for nearly 100 years.
Article

The maths of February 29

Find out why leap years exist, why you have to wait 400 years for your birthday pattern to repeat, and why there are so many Fridays falling on a 13th.

Article

What are sigma levels?

Find out how scientists, from physicists to geneticists, measure their confidence in their results.
Article

It from bit?

Does reality arise from information? What does this even mean? Anton Zeilinger explains the impact of John Wheeler's radical idea.
Article

Reality's neverending story

In The Neverending Story a little boy named Bastian discovers that there's something extraordinary about the book he's smuggled into his backpack: it changes as he reads it. The act of reading "The Neverending Story" Bastian finds, is simultaneously the act of writing it. Could our universe be in a similar loop?