James Webb Space Telescope

The James Webb Space Telescope is NASA's largest and most powerful space observatory. The $10 billion space telescope will be the successor to the iconic Hubble Space Telescope. Webb will study several areas of astronomy and cosmology, gazing deep into the cosmos to study how the universe formed. Read the latest news about NASA's James Webb Space Telescope here.

Related Topics: The Big Bang Theory, Black Holes, Stars and Galaxies, Hubble Space Telescope

Latest Updates

A series of three images from the Hubble Space Telescope showing a plume of ejecta in blue from the DART impact.

DART asteroid crash seen by James Webb, Hubble space telescopes (photos)

By Tereza Pultarova published

The James Webb Space Telescope and its older counterpart Hubble photographed the impact of NASA's asteroid-smashing DART probe into the space rock Dimorphos on Monday (Sept. 26).

many stars against black background

James Webb Space Telescope spots 'Sparkler Galaxy' that could host universe's 1st stars

By Robert Lea published

The first deep-field image revealed from the James Webb Space Telescope hid a wealth of treasure including a sparkling galaxy that could host the universe's first stars.

NASA's James Webb Space Telescope in its deployed form as seen in an artist's illustration.

NASA's James Webb Space Telescope mission: Live updates

By Elizabeth Howell published

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

Soyuz rocket creates wispy trail in space in image from space station with the earth and sunrise behind

Space photos: The most amazing images this week!

By Doris Elin Urrutia published

James Webb Space telescope sees Neptune, amazing Soyuz launch views from space and more! These are some of this week's top photos.

The Artemis 1 moon rocket on the pad at NASA's Kennedy Space Center in Florida on Sept. 21, 2022, the day it underwent a crucial fueling test.

The top space stories of the week!

By Doris Elin Urrutia published

NASA stormy delay of the Artemis 1 moon mission, the Milky Way's hotspot and InSight lives on Mars!

colorful swirl in space

Can the James Webb Space Telescope really see the past?

By Brandon Specktor published

Astronomers are using the James Webb Space Telescope to look back in time. How is this possible? It's just the nature of light, according to NASA.

partial view of large rock on left side, more complete view of smaller asteroid in background with tiny spacecraft approaching

James Webb, Hubble space telescopes will try to watch DART asteroid impact

By Meghan Bartels published

When NASA's DART mission slams itself into an asteroid called Dimorphos, three different science spacecraft will be trying to watch the action.

Artist's illustration of James Webb Space Telescope in space, with a large sunshield and a bright light above.

NASA's James Webb Space Telescope: The ultimate guide

By Elizabeth Howell, Daisy Dobrijevic published

Reference Everything you need to know about the James Webb Space Telescope, NASA's Big Bang-probing space observatory.

The James Webb Telescope's image of Neptune, the distant ice giant.

James Webb Space Telescope captures stunning image of Neptune's rings and moons

By Robert Lea published

Located at the outer edge of the solar system Neptune has fascinated astronomers since its discovery. Now the James Webb Space Telescope has provided a stunning image of unrivaled detail.

An illustration of NASA’s James Webb Space Telescope fully unfolded in space.

NASA investigating glitch on James Webb Space Telescope's ultracold camera

By Tereza Pultarova published

James Webb Space Telescope's ultracold camera has experienced a technical glitch that is forcing the ground team to postpone some observations.

The James Webb Space Telescope's first images of Mars were captured by its NIRCam instrument on September 5, 2022

James Webb Space Telescope's 1st images of Mars reveal atmosphere secrets

By Robert Lea published

The James Webb Space Telescope excels at capturing images of distant cosmic objects, but the telescope's new Mars images demonstrate it can have an impact much closer to home.

Four images of an alien planet in blue, red, purple and yellow colors

The James Webb Space Telescope has released its very first exoplanet image – here's what we can learn from it

By Jonti Horner published

The new images reveal JWST will be a fantastic tool for astronomers aiming to improve their knowledge of exoplanets.

There are potentially hundreds of billions of exoplanets in the Milky Way and many of them are likely to have conditions suitable for life.

Astronomers may be getting Webb Space Telescope exoplanet measurements wrong

By Tereza Pultarova published

Astronomers may be interpreting James Webb Space Telescope's measurements of exoplanet atmospheres wrong, a new study suggests.

The Orion Nebula captured in unprecedented detail in this image by the James Webb Space Telescope.

James Webb Space Telescope spots baby stars cocooned in the Orion Nebula

By Tereza Pultarova published

Newborn stars still wrapped in cocoons of dust and gas are revealed in a new image of the famous Orion Nebula captured by the James Webb Space Telescope.

image of stamp

US Postal Service releases James Webb Space Telescope stamp, collectibles

By Robert Z. Pearlman published

The world's largest and most powerful space telescope is now for sale at your local U.S. post office. A postage stamp depicting the James Webb Space Telescope has been released by the USPS.

An artist conception of a brown dwarf body with bands of clouds in its fast changing atmosphere.

James Webb Space Telescope spots alien planet shrouded in weird sand-filled clouds

By Tereza Pultarova published

The James Webb Space Telescope has found a strange exoplanet shrouded in clouds made of sand-like silicate grains.

field of stars and galaxies against black background

The James Webb Space Telescope never disproved the Big Bang. Here's how that falsehood spread.

By Keith Cooper published

The story of how JWST's images of distant galaxies and the words of an astrophysicist were misused by science deniers to try and throw shade on the Big Bang.

In this mosaic image stretching 340 light-years across, Webb’s Near-Infrared Camera (NIRCam) displays the Tarantula Nebula star-forming region in a new light, including tens of thousands of never-before-seen young stars that were previously shrouded in cosmic dust.

James Webb Space Telescope snaps mind-boggling image of Tarantula Nebula

By Andrew Jones published

The James Webb Space Telescope has revealed new details of stellar nursery 30 Doradus, known as the Tarantula Nebula.

a tiny bright ring against dark space backgrou

Stunningly perfect 'Einstein ring' captured by James Webb Space Telescope

By Harry Baker published

A new image using data collected by NASA's James Webb Space Telescope shows off one of the most perfect "Einstein rings" ever captured.

astronaut leland melvin in an orange flight suit giving a thumbs up

NASA astronaut Leland Melvin teaches kids about the James Webb Space Telescope

By Elizabeth Howell published

The retired astronaut and NFL player is running a class about the James Webb Space Telescope online.