Four Huge Explosions Nobody Could Explain
Tunguska – Thousands of square kilometres of trees were burned
In the early morning of 30 June, 1908, witnesses told of a gigantic explosion and blinding flash. Thousands of square kilometres of trees were burned and flattened.
Scientists have always suspected that an incoming comet or asteroid lay behind the event – but no impact crater was [...]
Magnetic Fields As You Have Never Seen Them Before
A stunning new film shot at the NASA laboratory at UC Berkeley reveals the secret lives of magnetic fields as they morph and twist in space – but are we observing a scientific experiment, the universe in flux or a documentary of a fictional world?
They surround us, yet they can’t be seen. They shift vast [...]