Staff at the European Southern Observatory have a system to clean the La Silla Observatory's delicate mirrors without breaking them. Big telescopes feature some of the finest and most precise mirrors ...

In a major milestone for a decades-long project, the Giant Magellan Telescope project recently passed its final design review, locking in the design for the telescope enclosure and paving the way for ...

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The Gemini North telescope atop Hawaii’s lofty shield volcano Mauna Kea. A powerful telescope, perched above the clouds at some 13,800 feet, has snapped a brilliant view of distant galaxies.

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 ...

There is no shortage of ambition packed into the rocket that lifted off from French Guiana at lunchtime on Thursday. The celestial mission carries two space telescopes that aim to unravel the universe ...

Our species called this latest 366-day journey around the sun “2024” and packed into it a ton of astronomical and spaceflight excitement. A solar eclipse crossed North America. Two robotic landers ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. The U.S. Postal Service issued two Priority Mail stamps on Tuesday, Jan. 21, 2025, featuring ...

Give the gift of the cosmos with these Father's Day smart telescope deals, with huge savings to be had across Unistellar telescopes like the new Odyssey Pro. When you purchase through links on our ...

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 ...