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Thirty days outbound from Earth, the James Webb Space Telescope will slip into its parking orbit nearly a million miles away on Monday, an ideal spot to scan the heavens in search of faint infrared ...

NASA’s next flagship mission — the James Webb Space Telescope — will carry the largest primary mirror ever deployed. This segmented behemoth will unfold to 21.3 feet in diameter once the observatory ...

The James Webb Space Telescope is now, finally, a fully deployed telescope. On January 8, 2022, NASA made history by successfully unfolding the telescope’s primary mirror — the largest of its kind ...

When it launches in 2021, the James Webb Space Telescope will be the premier observatory of the next decade, according to NASA. And in March, despite the threat of shutdowns due to the novel ...

At 8,040 feet above sea level (2,450 meters) in Uttarakhand, India, lies a prime site for astronomical observations — Devasthal, 31 (52 kilometers) miles east of the resort town Nainital. Surrounded ...

aluminized the mirror of the largest single-mirror telescope in North America. Technicians at the MMT Observatory on Mount Hopkins bolted a vacuum chamber directly over the 6.5-meter (21.5 – foot) ...

Technicians and scientists check out one of the Webb telescope’s first two flight mirrors in the clean room at NASA’s Goddard Space Flight Center in Greenbelt, Md. Credit: NASA/Chris Gunn The first ...

There's still more testing in store for the new observatory. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's massive new space telescope ...

The Hubble Space Telescope has long been a cornerstone of our understanding of the universe, unveiling awe-inspiring images and groundbreaking data about galaxies, black holes, and the origins of ...