Dark matter map reveals ‘invisible cosmic web’
The things we can see account for less than 20% of the universe’s mass. Almost nothing is known about the rest. Now, a huge project is attempting to map how ‘dark matter’ is distributed.
New experiment could prove world is a simulation
Philosophers have long worried that the world might be an advanced computer simulation. Now, physicists have come up with a way to test whether our Universe is actually a fake.
All our facts will soon be wrong, scientist claims
We like to think of science as a way of getting at facts – but according to a new book by scientist Samuel Arbesman, even facts have an expiry date. The truth, it seems, keeps on shifting.