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

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 ...

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 Sun would be a far more powerful telescope than any humanity could create in the near future. But to use it, we need to get to 650 AU.

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 ...

The James Webb Space Telescope (JWST) has spotted the most distant galaxy observed to date — breaking its own record yet again. In other words, the galaxy emitted light just 280 million years after ...

The U.S. Air Force wants to add seven new telescopes to the top of Haleakalā Volcano on Maui, prompting a familiar controversy over military presence upon sacred Native Hawaiian sites.

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 ...

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 ...