# Astrophysics and cosmology

Read article 'LHCb brings cosmic collisions down to Earth'

### LHCb brings cosmic collisions down to Earth

The LHCb collaboration has generated high-energy collisions between protons and helium nuclei similar to those that take place when cosmic rays strike the interstellar medium.

Read article 'Dark-matter surprise in early universe'

### Dark-matter surprise in early universe

A surprising result at the Max Planck Institute for Extraterrestrial Physics in Germany suggests that dark matter was less influential in the early universe than it is today.