Being able to spot the Earth, let alone any signs of life on our planet, would require an enormous telescope from 66 million ...

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 ...

The Hubble Space Telescope has glimpsed the most distant single star it's ever observed, glimmering 28 billion light-years away. And the star could be between 50 to 500 times more massive than our sun ...

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 ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that time was “running out” in the race to build the next great optical telescope ...

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!” As the Vera C. Rubin Observatory ...

India embarks on a journey to expand its celestial horizons through investments in advanced telescopes and observatories. This strategic shift highlights India's growing influence in the realm of ...

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 ...

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 ...