Whispered conversation out the back of pit boxes and trailers – for a world full of the latest technology, it can feel stubbornly old school.

KOUROU, French Guiana - The James Webb Space Telescope, Hubble’s bigger, more powerful successor, is scheduled for liftoff on Christmas morning from the coast of South America. It will be the largest ...

February marked significant progress for NASA’s James Webb Space Telescope, which completed its final functional performance tests at Northrop Grumman in Redondo Beach, California. Testing teams ...

In preparation for launch later this month, ground teams have successfully completed the delicate operation of loading the James Webb Space Telescope with the propellant it will use to steer itself ...

The long-awaited launch of the James Webb Space Telescope, the $10 billion successor to the iconic Hubble, has been delayed at least two days. The launch will now take place no earlier than the ...

A long-awaited telescope is finally ready to launch into space. Named after a former NASA administrator, the James Webb Space Telescope is bigger and more powerful than the iconic Hubble Space ...

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Watch NASA's live broadcast of the high-stakes launch from French Guiana, below. UPDATE: The James Webb Space Telescope has reached space. Read more in our story on the launch. NASA is about to send ...

NASA now says Webb will go up on December 22, just a few days later than previously planned. Hopefully, this is the last delay Webb experiences. Share on Facebook (opens in a new window) Share on X ...

The highly anticipated launch of the James Webb Space Telescope is facing yet another delay before it can lift off the launchpad. Heralded to be the premier space science observatory of the next ...

Last week NASA's James Webb Space Telescope program received approval from the U.S. State Department to launch on a European Ariane 5 rocket, finally clearing a hurdle that added roughly an extra year ...

HOUSTON—As predicted a month ago by the U.S. Government Accountability Office, NASA has been forced to confront another delay in the launch of its planned $8.83 billion, 5-10 year James Webb Space ...