James Webb Space Telescope

NASA will share a new image or spectrum from the James Webb Space Telescope at least every other week on the mission's blog. This week, check the blog on Thursday, Dec. 1 at 11 a.m. EST for new images highlighting one of Saturn's moons. In the meantime, learn more about what to expect as Webb observations make …

Micrometeoroid strikes are an unavoidable aspect of operating any spacecraft. NASA's James Webb Space Telescope was engineered to withstand continual bombardment from these dust-sized particles moving at extreme velocities, to continue to generate groundbreaking science far into the future. ​​"We have experienced 14 measurable micrometeoroid hits on our primary mirror, and are averaging one to …

Editor's Note: This post highlights data from Webb science in progress, which has not yet been through the peer-review process. We spoke with Kristen McQuinn of Rutgers University, one of the lead scientists on Webb Early Release Science (ERS) program 1334, focused on resolved stellar populations. These are large groups of stars – including stars …

The James Webb Space Telescope's Mid-Infrared Instrument (MIRI) has four observing modes. On Aug. 24, after measuring increased friction in one of the grating wheels used in MIRI's medium resolution spectrometry (MRS) mode, the Webb team paused science observations using this specific mode. Since then, a team of experts has carried out an in-depth investigation that has reviewed instrument …

NASA will share a new image or spectrum from the James Webb Space Telescope at least every other week on the mission's blog. This week, check the blog on Wednesday, Nov. 9 at 11 a.m. EST for a new image highlighting a nearby dwarf galaxy. In the meantime, learn more about what to expect as …