The James Webb Space Telescope's team welcomed back the "heart" of the observatory, known as the Integrated Science Instrument Module or ISIM, to the world's largest clean room at NASA's Goddard Space ...

An engineering team lifted and lowered the heart of NASA's James Webb Space Telescope into the giant thermal vacuum chamber at NASA's Goddard Space Flight Center in Greenbelt, Maryland. This move ...

The James Webb Space Telescope team lifts the Integrated Science Instrument Module (ISIM) structure by crane as it leaves the Goddard clean room for the thermal vacuum chamber. Disclaimer: AAAS and ...

GREENBELT, Md. – NASA’s James Webb Space Telescope is starting to come together. A major component of the telescope, the Integrated Science Instrument Module structure, recently arrived at NASA ...

The first of four instruments to fly aboard NASA’s James Webb Space Telescope (Webb) has been delivered to NASA. The Mid-Infrared Instrument (MIRI) will allow scientists to study cold and distant ...

The James Webb Space Telescope's Near Infrared Spectrograph (NIRSpec) is mounted onto a stand in NASA Goddard's cleanroom. Credit: NASA. Near Infrared Spectrograph NIRSpec and Mid-Infrared Instrument ...

The Integrated Science Instrument Module, or ISIM, is the structural heart of the James Webb Space Telescope, what engineers call the main payload. It will house the four main scientific instruments ...

The iconic honeycomb-shaped mirror is likely the first thing you’ll notice when you see the James Webb Space Telescope. But hidden behind the mirror are the “eyes” of the JWST, the Integrated Science ...

The MIRI instrument within the JWST Integrated Science Instrument Module (ISIM). MIRI is the silver colored item on the left of the ISIM—the black structure (left). The James Webb Space Telescope ...