What did the new space telescope see in deep space? James Webb is the largest extraterrestrial telescope in history. Its primary mirror consists of 18 hexagonal segments with a total width of 6.5 ...

Telescopes like Hubble and the James Webb Space Telescope can observe some incredibly distant galaxies, stretching all the ...

"I never dreamed of Webb seeing them in such large numbers." ...

A technician stands before six gold-plated mirror segments for the James Webb Space Telescope (JWST) mirror. The JWST's infrared viewing capability allows it see through much of the dust that ...

The James Webb Space Telescope can look deeper (and earlier) into the cosmos than any telescope before it. How much do you ...

"The Spiderweb protocluster is an ideal laboratory for investigating the relationship between black holes and star formation ...

After the Hubble Space Telescope studied the oldest-known exoplanet in the galaxy, scientists used the James Webb Space Telescope to learn how planets were able to form in the early universe.

Our universe appears to be expanding about eight percent faster than initially assumed possible, according to new observations from the James Webb Space Telescope. There has been a long ...

Future telescopes like James Webb and Gaia ... for replacing damaged mirrors to avoid wasting costly investments. Repair spacecraft must avoid damaging delicate telescope structures during docking.

Scientists used the James Webb Space Telescope to study planet formation. They observed the star cluster NGC 346. They found long-lasting planet-forming disks. These disks exist even with few ...