For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter ...

Stellar migration may greatly increase the number of habitable planets in the Milky Way. Future ESA missions will test these predictions with detailed exoplanet observations. What can the Galactic Hab ...

The Chi Cygnids meteor shower occurs in mid-September every year, but it is only once every five years that it produces noticeable shooting stars. Stargazers witnessed significant activity in 2010, ...