While engineers for the James Webb Space Telescope continue the long and delicate process of aligning its mirrors in order to get the telescope ready for science operations this summer, other teams ...

"NIRSpec will be a game changer." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. "One of the rules for building spacecraft is to have as few ...

The Webb team has now approved 10 out of 17 science instrument modes; since last week we added (14) MIRI imaging, (2) NIRCam wide-field slitless spectroscopy, and our final NIRISS mode, (10) ...

The cosmos is filled with color, and color is a key in determining age, chemical composition and how far objects are from Earth. To help identify these colors and objects the James Webb Space ...

Monisha Ravisetti was a science writer at CNET. She covered climate change, space rockets, mathematical puzzles, dinosaur bones, black holes, supernovas, and sometimes, the drama of philosophical ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA's next-generation space telescope has completed tests of another science instrument, ...

OTTOBRUNN, Germany — European contractors on Oct. 14 completed work on a full-scale test model of one of the four observing instruments for the James Webb Space Telescope (JWST) and told NASA the ...