Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. When you purchase through links on our site, we may earn an ...

As the Vera C. Rubin Observatory surveys the night sky, astrophysicists expect to unlock the secrets of dark matter, dark energy and cosmic phenomena that go “bang!” The telescope mount assembly ...

Astronomer Robert Kirshner investigates some of the universe’s biggest questions: What happens when a star explodes? Is the universe still expanding? He recently added a new mystery to the list: Is ...

Researchers at the University of Colorado Boulder Laboratory for Atmospheric and Space Physics are helping to lead planning efforts for NASA’s next major space telescope — and its purpose will be to ...

The European Southern Observatory (ESO) operates some of the most powerful telescopes in the world. Established in 1962 by 16 countries across the globe, the ESO is a hub for astronomers looking to ...

Big telescopes feature some of the finest and most precise mirrors in the world. So when one gets dirty, what happens? The European Southern Observatory (ESO) operates some of the most powerful ...