The largest ground-based optical telescopes in use today use mirrors that are 10 m (33 ft) across. But the prospects for future Extremely Large Telescopes (ELTs) are looking up. According to recent ...

New Mexico’s Plains of San Agustin are otherworldly: Silence, sand and sharp plants reign on the valley floor. Knobbly volcanic rock rises above. Pronghorns’ legs and jackrabbits’ ears break up the ...

On a mountaintop in northern Chile, the world’s largest digital camera is preparing to power up. Its mission is simple yet ambitious — to photograph the entire night sky in extreme detail and unlock ...

Decentralized physical infrastructure connects independently operated telescopes into a coordinated observing network ...

The past quarter of a century in astronomy has been dominated by large telescopes — but they are about to be usurped by some even larger ones. When you purchase through links on our site, we may earn ...

The Extremely Large Telescope (ELT), now under construction in the Chilean Andes, is set to revolutionize the field of astronomy. This monumental project, once completed, promises to unveil new ...

A high-stakes face-off is brewing in the arid deserts of northern Chile, between astronomers building the world’s largest optical telescope and a proposed green energy megaproject from an ...

From magnification to light-gathering, here’s how to make the decision between buying a telescope or a monocular for stargazing and astronomy. When you purchase through links on our site, we may earn ...

The Astronomy in Chile Educator Ambassadors Program (ACEAP) is a U.S. National Science Foundation-funded initiative fostering collaboration between U.S. and Chilean astronomical institutions. ACEAP ...