Astronomers have detected drifting water clouds in deep space, far from any planet or star. This discovery strengthens the ...

At ESO’s Paranal Observatory in Chile’s Atacama Desert, visitors can experience some of the darkest and clearest night skies ...

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is ...