High-redshift, gas-rich galaxy protoclusters represent excellent laboratories for investigating the effects of the environment on

We report the discovery of ~1,000 microlensing events within an area covering 20.68 deg^2 between

The Rosetta space mission of the European Space Agency Rosetta has observed comet 67P/Churyumov-Gerasimenko for

Classical Cepheids are the most used primary distance indicators to calibrate the cosmic distance ladder