Feb 25, 2026 · Webb is the premier observatory of the next decade, serving thousands of astronomers worldwide. It studies every phase in the history of our Universe.

Explore official, up-to-date information on current, past, and upcoming investigations by NASA’s Hubble and James Webb space telescopes.

"NASA's James Webb Space Telescope launches in French Guiana – $10 billion successor to Hubble telescope will capture light from first stars and study distant worlds".

5 days ago · Astronomers observe distant cosmic objects using telescopes that employ mirrors and lenses to gather and focus light.

Apr 5, 2025 · (NASA/JPL-Caltech) The new space observatory will scan the entire sky four times over a two-year mission, using spectroscopy to examine light from hundreds of millions of celestial objects …

NASA's James Webb Space Telescope, the agency's successor to the famous Hubble telescope, launched on Dec. 25, 2021 on a mission to study the earliest stars and peer back farther into the...

Jan 14, 2026 · Webb is the largest telescope NASA has ever sent into space. Webb is designed to be as light as possible, but still measure large enough to achieve its scientific goals.

Explore official, up-to-date information on current, past, and upcoming investigations by NASA’s Hubble and James Webb space telescopes.

The James Webb Space Telescope (JWST), NASA's flagship infrared observatory, developed in partnership with ESA and CSA, successfully launched on December 25, 2021. After deploying in …

The James Webb Space Telescope (sometimes called JWST or Webb) is a large infrared telescope with a 6.5-meter primary mirror. The telescope was launched on an Ariane 5 rocket from French Guiana …