The ALMA radio telescope array in the Atacama Desert temporarily halted operations after a rare snowfall blanketed the base ...

The most powerful telescope in history. The James Webb Space Telescope's "jewel-filled" photos are stunning. The Valley star ...

Texas astronomers are part of the effort to construct the Giant Magellan Telescope – an effort that will bring a new level of ...

High in the Andes Mountains of northern Chile, something extraordinary is happening. Perched on the peak of Cerro Pachón at ...

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

How does the camera on the James Webb Space Telescope work and see so far out? – Kieran G., age 12, Minnesota Imagine a ...

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

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

New observations show a star that blew up in two separate bursts, confirming a long-suspected cosmic phenomenon called a ...

Chile's ALMA observatory, which houses some of the world's most powerful telescopes, has captured its most detailed images to ...

Astronomers detected a powerful radio signal from near Earth, initially believed to be from a new space object. Check what ...

A NASA satellite that’s been orbiting as space junk since 1967, Relay 2, emitted an unexpected, powerful radio burst that astronomers initially struggled to explain.