Price history: Before today's deal, the lowest price this year that we've seen for the Celestron NexStar 8SE was $1299 back ...

L3Harris in Rochester played a pivotal role in building the Vera C. Rubin Observatory’s massive secondary mirror.

The 10-year survey is the primary mission of the Vera C. Rubin Observatory, located on a mountaintop at the edge of Chile’s ...

More than a decade in the making, the Vera Rubin Observatory finally released its first image as its begins its ...

Felton Davis offered thousands of strangers a close-up view of the Moon and planets orbiting New York City. Now he’s passing ...

The plains house the aptly named Very Large Array (VLA)—a radio telescope made of 27 different antennas, each of which looks like a home satellite dish on steroids. When the antennas are pointed ...

A prototype antenna for the proposed Next Generation Very Large Array (ngVLA) radio telescope in New Mexico. If funded, the project would greatly expand U.S. radio astronomy capabilities.

Webb telescope helps refine Hubble constant, suggesting resolution to long-standing expansion rate debate by Louise Lerner, University of Chicago edited by Lisa Lock, reviewed by Robert Egan ...

The so-called "Extremely Large Telescope" is being built on a mountaintop in the Andes at an elevation of about 3,000 meters. And it really is extremely large.

Construction on ESO's Extremely Large Telescope continues. Here, in this May 1, 2025 photo taken from directly above, the the hexagonal support structure that will hold the ELT's 128-foot (39 ...

In Chile's Atacama Desert, a new wonder is slowly emerging — the European Southern Observatory's Extremely Large Telescope (ELT), to become the world's largest eye on the universe.

The Extremely Large Telescope will revolutionize our view of the cosmos when it sees first light in Chile in 2028. In fact, it could detect hints of alien life around our closest neighboring star ...