James Webb Space Telescope

The James Webb Space Telescope reveals the earliest stages of galaxy formation in a time when the universe was less than 1 billion years old.

By accidentally finding a tiny Washington Monument-sized asteroid, the James Webb Space Telescope has demonstrated how useful it can be much closer to home.

Even as the James Webb Space Telescope is allowing astronomers to see inside vast, distant galaxies, it's also studying some tiny, nearby objects, albeit inadvertently.

A newly released image from NASA's James Webb Space Telescope shows a crowded field of galaxies and stars, with a distant spiral galaxy standing out in stunning detail.

After one of its instruments was briefly knocked offline, the James Webb Space Telescope returned to full science operations on Monday (Jan. 30).

Researchers confirmed that the distant galaxies discovered by the James Webb Space Telescope are, indeed, perfectly compatible with our modern understanding of cosmology.

Read the latest news about NASA's James Webb Space Telescope.

Using the James Webb Space Telescope, astronomers observe a stellar occultation and discover the first clear evidence for water ice in the Chariklo system.

Every spacecraft glitches occasionally, and even the most powerful space telescope ever launched isn't immune.

Using the James Webb Space Telescope, astronomers discover a rich catalog of frigid interstellar ice in the depths of a dark, dense molecular cloud.

The James Webb Space Telescope has for the first time peered inside a planet-forming disk of dust surrounding a nearby star, a development promising to supercharge the search for exoplanets.

The latest image clicked by James Webb Space Telescope sheds light on how early stars formed during cosmic noon — more than 10 billion years ago.

NASA's James Webb Space Telescope and Chandra X-ray Observatory teamed up to provide a stunning new view of the robust star-forming region known as the Tarantula Nebula.

Galaxies in the early universe were much more varied and mature than previously thought, according to observations made by NASA's James Webb Space Telescope.

With the James Webb Space Telescope safely at work, a leading scientist offers glimpses of what could come next.

NASA's James Webb Space Telescope has revealed dozens of galaxies that could be among the earliest known galaxies in the universe.

The historic James Webb Space Telescope has confirmed its first rocky exoplanet, 41 light-years from Earth.

Results shared Jan. 9 at the "Super Bowl of astronomy" highlight how the James Webb Space Telescope is living up to its potential — and how much more is waiting to be unveiled.

A tremendous shockwave several times the size of the Milky Way, launched by a "galactic intruder" forcing its way into the collection of galaxies has kickstarted several mysterious processes.

Galaxies like our Milky Way sprouted up earlier than scientists expected as revealed by new James Webb Space Telescope images.