James Webb Space Telescope

James Webb Telescope launch countdown: 12 images from its last month on Earth

With Webb now attached to the Ariane 5 rocket, it seems it’s finally ready for launch.

NASA Goddard

This may sound familiar:

NASA says the James Webb Space Telescope is finally ready for launch.

Alex Wong/Getty Images News/Getty Images

JEAN-RENE DAGOIS/AFP/Getty Images

After half a dozen delays and more than 20 years in development, the telescope is set to launch on December 24, pending a final review on December 21.