Earth could have lost anywhere between ten and 60 percent of its atmosphere in the collision that is thought to have formed the Moon. New research led by Durham University, UK, shows how the extent of ...

Estimating things that exist is generally easy, but when it comes to estimating things that do not exist, it’s more difficult. This is something physicists from Poland and the UK are well aware of. To ...

The Milky Way may not always have faced the same direction. New simulations suggest its stellar disc could have swung through space by more than 90 degrees after an ancient collision, helping explain ...

A new analysis of images from the Hubble Space Telescope combined with supercomputer simulations of galaxy collisions has cleared up years of confusion about the rate at which smaller galaxies merge ...