The early Universe hosted ultra-weak magnetic fields that still shaped cosmic structures. New simulations establish stricter limits on their strength. Magnetic fields that originated during the earlie ...

To their surprise, when the model was allowed to run under these conditions, a tachocline emerged on its own. Even more revealing, the simulations showed that the magnetic fields produced in the ...

The thought of bottling up a little star sounds straight out of a Walt Whitman poem, but it's actually one of the biggest ...