James Webb Space Telescope
Latest about James Webb Space Telescope
James Webb telescope finds ancient galaxy larger than our Milky Way, and it's threatening to upend cosmology
By Ben Turner published
Astronomers believe the first galaxies formed around giant halos of dark matter. But a newly discovered galaxy dating to roughly 13 billion years ago mysteriously appeared long before that process should have occurred.
James Webb Space Telescope tracks a galaxy's history back to just after the Big Bang
By Robert Lea published
Using the James Webb Space Telescope astronomers have zoomed in on a dwarf galaxy in the Milky Way's local group to understand the ebb and flow of star formation since the early universe.
Did monster black holes or galaxies come first? The James Webb Space Telescope may have a surprise answer
By Robert Lea published
Observations of bright galaxies in the early universe could indicate that black holes were driving star formation and galaxy growth just 50 million years after the Big Bang.
James Webb Space Telescope makes rare detection of 2 exoplanets orbiting dead stars
By Robert Lea published
The James Webb Space Telescope has directly imaged two exoplanets orbiting white dwarf stars. These systems offer a glimpse at the future of our solar system after the sun has died.
James Webb Space Telescope observes 19 intricate galaxy structures in stunning detail (images)
By Robert Lea published
The James Webb Space Telescope has observed the glowing gas and dust patterns of 19 spiral galaxies in stunning detail, aiming to uncover the origins of these intricate structures.
Nearby star factory shines in stunning James Webb Space Telescope photo
By Robert Lea published
The James Webb Space Telescope has zoomed in on N79, a 1,630-light-year-wide star birthing complex in the Large Magellanic Cloud, to produce a stunning image.
US Priority Mail stamps now feature James Webb Space Telescope images
By Robert Z. Pearlman published
As light reaching the James Webb Space Telescope, it took between 6,500 and 7,600 years to be received. As images on Priority stamps, they will get your mail to its destination much sooner.
Early galaxies were shaped like surfboards and pool noodles, James Webb Space Telescope finds
By Keith Cooper published
Young galaxies in the early universe adopted elongated shapes as they formed along filaments of the cosmic web, before evolving into more disc-like galaxies.
James Webb Space Telescope catches young planetary system by its dusty 'cat's tail' (photo)
By Robert Lea published
The James Webb Space Telescope has caught the young planetary system Beta Pictoris by the tail seeing a new structure of dust that resembles the lower half of a cat.
Get the Space.com Newsletter
Breaking space news, the latest updates on rocket launches, skywatching events and more!