It’s not the first delay to hit the James Webb Space Telescope. Development on the project began in 1996 with a launch date originally targeted for 2007. But various problems along the way ...

This Saturday (Dec. 25), the James Webb Space Telescope will blast off from Earth on a 1-million-mile (1.5 million kilometers) journey to its ultimate destination, where it will make ...

The launch vehicle adapter, NASA explains, is used to attach the James Webb Space Telescope to the Ariane 5 rocket's upper stage, paving the way for launch.

An Ariane 5 rocket sits on the launch pad in November 2015. Arianespace The James Webb Space Telescope might be nearly ready to be sent into space, but an issue with its launch vehicle could see ...

At $10 billion, it’s also the most expensive and the trickiest to pull off. After years of delay, the James Webb Scace Telescope is scheduled to launch at 7:20 a.m. ET on Dec. 25.

It took 10 whole days to fuel it up due to how dangerous the propellant is. Ready to Launch The James Webb Space Telescope is all fueled up and ready to go.

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