James Webb Space Telescope

It Would Take Hubble 85 Years to Match What Nancy Grace Roman Will See in 63 Days

A NASA-led team of researchers created a simulation that demonstrates what the Nancy Grace Roman Space Telescope will see.

1 year ago

JWST Sees the Same Supernova Three Times in an Epic Gravitational Lens

The NASA/European Space Agency (ESA)/Canadian Space Agency (CSA) James Webb Space Telescope (JWST) mission continues to dazzle and amaze with…

1 year ago

Clouds of Carbon Dust Seen When the Universe was Less Than a Billion Years Old

A new study shows that carbonaeous dust grains existed much earlier than previously thought, which has significant implications for galactic…

1 year ago

Webb Sees Three Galaxy Clusters Coming Together to Form a Megacluster

The latest JWST deep-field image provides a breathtaking view of Pandora's Cluster, which was previously imaged by Hubble.

1 year ago

JWST Unexpectedly Finds a Small Asteroid During ‘Failed’ Observations

While astronomers and engineers were trying to calibrate one of the James Webb Space Telescope’s instruments last summer, they serendipitously…

1 year ago

Good News! Webb is Fully Operational Again

The James Webb Space Telescope is back to full science operations. One of the telescope’s instruments, the Near Infrared Imager…

1 year ago

Webb NIRISS Instrument has Gone Offline

The JWST is having a problem. One of its instruments, the Near Infrared Imager and Slitless Spectrograph (NIRISS,) has gone…

1 year ago

JWST Sees Frozen Water, Ammonia, Methane and Other Ices in a Protostellar Nebula

Want to build a habitable planet? Then you’ll need various and sundry ingredients such as carbon, hydrogen oxygen, nitrogen and…

1 year ago

By Blocking the Light From a Star, Webb Reveals the Dusty Disk Surrounding It

AU Microscopii is a small red dwarf star about 32 light-years away. It's far too dim for the unaided human…

1 year ago

JWST Pioneer Passes Along Advice for Future Space Telescope Builders

After a quarter-century of development, NASA's James Webb Space Telescope is a smashing success. But senior project scientist John Mather,…

1 year ago