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 ...

James Webb Space Telescope confirms dark energy is accelerating universal expansion, strengthening evidence for the Big Rip ...

On December 25, 2021, the largest and most powerful space telescope, the James Webb Space Telescope, was launched into space ...

"We really needed the sensitivity of JWST. We also needed the 100 times magnification from gravitational lensing from a ...

Discover James Webb discoveries revealing the JWST early universe, cosmic dawn insights, and groundbreaking new space ...

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 ...

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 ...

Mike Brown is convinced that beyond Neptune, at the far reaches of our solar system, there's an unseen giant planet. "This is the 5th largest planet in our solar system, lurking out there, waiting to ...

This makes it appear correspondingly smaller through a telescope—infinitesimally smaller, in fact, appearing as only a point ...