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  1. NASA's Webb Images Young, Giant Exoplanets, Detects Carbon Dioxide

    March 17, 2025Release ID: 2025-114 Missions: Webb

    Findings suggest giant exoplanets in HR 8799 system likely formed like Jupiter and Saturn.

    This image shows the planetary system HR 8799. The background is black. At the center there is a symbol representing a star labeled HR 8799. The star’s light is blocked. There are four exoplanets, which look like fuzzy dots, pictured surrounding the star. Furthest from the star is a fuzzy, faint blue dot, labeled b, at the 10 o’clock position. At the 1 o’clock position, second furthest from the star is a blueish-white fuzzy dot labeled c. Just below that is an orange dot labeled e. At the 4 o’clock position, still near the star, is another fuzzy white dot labeled d.

  2. NASA's Webb Peers Deeper into Mysterious Flame Nebula

    March 10, 2025Release ID: 2025-105 Missions: Webb

    New population census answers the question: How small can you go when forming stars and brown dwarfs?

    A collage of three near-infrared images showing a dusty nebula. The left two-thirds of the collage is taken up by a Hubble image of the nebula. The remaining third is taken up by two Webb images, one atop the other. The Hubble image has a pillar of dense brown dust running through the nebula at a diagonal from 5 o’clock to 11 o’clock. Wispy plumes appear to fly off from the pillar toward the sides amid blue clouds of the same material, which are whiter near the pillar. There are many white stars spread throughout. Two separate, white squares, tilted about 30 degrees, outline two areas in the pillar. The upper square has the letter “A” to the top right, while the lower square is marked by the letter “B”. These labels correspond to the two, magnified images of the nebula at right, with the top image also labeled “A” and the bottom image labeled “B”. Both images contain a mixture of reds, blues and browns, and show red, blue, and white stars.

  3. NASA Webb Wows With Incredible Detail in Actively Forming Star System

    March 07, 2025Release ID: 2025-111 Missions: Webb

    This near-infrared image shows the history of ejections from the two actively forming stars in Lynds 483.

    At the center is a thin vertical cloud known as Lynds 483 (L483) that is roughly shaped like an hourglass with irregular edges. The lower lobe is slightly cut off. The top lobe is seen in full, petering out at the top.

  4. NASA's Hubble Finds Kuiper Belt Duo May Be Trio

    March 04, 2025Release ID: 2025-007 Missions: Hubble

    A potential triple system of Kuiper Belt objects, only the second ever found, would support the theory that these rocky bodies form by gravitational collapse, like stars.

    Illustration of two large, cratered rocks in the foreground right. Another rock is seen in the distance to the left. The black background of space shows the hazy Sun and zodiacal light due to dust in the solar system, as well as scattered distant stars. The words "Artist's Concept" appear in gray at the bottom left.

  5. NASA's Webb Exposes Complex Atmosphere of Starless Super-Jupiter

    March 03, 2025Release ID: 2025-106 Missions: Webb

    Webb has captured evidence for patchy cloud layers, high-altitude hot spots, and variations in chemistry around a rapidly rotating, free-floating object 20 light-years from Earth. 

    Illustration of a gas giant planet or brown dwarf on a background of distant stars.

  6. NASA's Hubble Provides Bird's-Eye View of Andromeda Galaxy's Ecosystem

    February 27, 2025Release ID: 2025-009 Missions: Hubble

    A Swarm of Dwarf Galaxies Buzz Around Our Milky Way's Twin

    Telescope image with infographic overlays. At top left the text reads, Hubble Space Telescope, Survey of Andromeda's Satellite galaxies. A large field of galaxies take up the left three-quarters. This portion shows hundreds scattered across the black background of space. Most are tiny white dots. Thirty-six tiny galaxies are circled in yellow. Four have labels. From top to bottom, left to right: NGC 185, NGC 147, NGC 205 (M110), NGC 221 (M32). NGC 221 appears slightly lower than a larger, angled oblong galaxy, which is labeled Andromeda Galaxy (M31). Along the right is a column separated into four boxes, each a zoomed in portrait of the labeled galaxies. From top to bottom: NGC 185 looks like a dim blue haze that takes up most of the frame; NGC 147 like a small, very dim oval, with scattered dots nearby; NGC 221 is large and bright white, and takes up most of the box; NGC 205 is not quite as large as NGC 221, and is pinker, with larger dots throughout the frame.

  7. Webb Reveals Rapid-Fire Light Show From Milky Way's Central Black Hole

    February 18, 2025Release ID: 2025-110 Missions: Webb

    Observations revealed ongoing fireworks featuring short bursts and longer flares.

    A large, black circle representing a black hole occupies the right third of the frame in this illustration. Thick, clumpy orange streaks arc above and below it, essentially surrounding it. The top arc extends down to the lower left and then curves around in front of the black hole to form a disk that is tilted toward the viewer. Near the inner edge of the disk, several bright, whiter spots have blue filaments looping above them, representing flares. The words “Artist’s Concept” appear below the illustration.

  8. Webb Maps Full Picture of How Phoenix Galaxy Cluster Forms Stars

    February 13, 2025Release ID: 2025-107 Missions: Webb

    Discovery proves decades-old theory of galaxy feeding cycle.

    A galaxy cluster. The center of the cluster is bright white with short red jets that point toward the top right and bottom left, and several blue filaments that spread throughout the center. Outside the bright center is purple gas that is bright toward the center of the image and dimmer further from the center. There are contour lines overlayed in different colors. A key on the bottom indicates what each outline is representing. On the left side of the key, green irregular concentric lines shaped like a mountain on a topographic map are shown with the text cooling gas. Those same contours are placed overtop the center of the galaxy cluster. At the right side of the key, purple dashed lines are shaped in two ovals with the text jet-inflated bubbles. These oval outlines are place above and below the green contours at the center of the image.

  9. Straight Shot: Hubble Investigates Galaxy with Nine Rings

    February 04, 2025Release ID: 2025-006 Missions: Hubble

    Hubble’s high-resolution imagery allowed researchers to hone in on more of the Bullseye galaxy’s rings — and helped confirm which galaxy dove through its core.

    A large galaxy is at center, and a significantly smaller galaxy is to its immediate left. Both are set on the black background of space, which is dotted with a range of galaxies in different shapes and sizes, along with a few foreground stars.

  10. This Tiny Galaxy Is Answering Some Big Questions

    January 16, 2025Release ID: 2025-401 Missions: STScI

    Researchers used the James Webb Space Telescope to reveal patterns of star formation in an isolated dwarf galaxy.

    A concentration of bright blue stars occupies the bottom right corner of the image. At bottom center within them is a small blue bubble. The stars and bubble are part of a diffuse dwarf galaxy that extends beyond the image border. Background galaxies are scattered across the image, with some particularly prominent spirals located at upper left and upper right. The background of space is black.

  11. NASA's Hubble Traces Hidden History of Andromeda Galaxy

    January 16, 2025Release ID: 2025-005 Missions: Hubble

    Panorama of Nearest Galaxy Unveils Hundreds of Millions of Stars

    The Andromeda galaxy, a spiral galaxy, spreads across the width. It is tilted nearly edge-on to our line of sight so that it appears as an extreme oval on its side. The borders of the galaxy are jagged because the image is a mosaic of smaller, square images. The outer edges are blue, while the inner two-thirds are yellowish with a bright, central core. Dark, dusty filamentary clouds wrap around the outer half of the galaxy’s disk. At 10 o'clock, a smaller dwarf elliptical galaxy forms a fuzzy, yellow blob. Hubble's sharp vision distinguishes about 200 million stars within the image. The background of space is black. There are what appears to be steps toward the bottom, mainly toward the middle, which indicates where no data were taken.

  12. NASA Celebrates Edwin Hubble's Discovery of a New Universe

    January 15, 2025Release ID: 2025-001 Missions: Hubble

    Pinpointing a Milepost Marker Star that Opened the Realm of Galaxies

    A Hubble image of the Andromeda galaxy, tilted from the bottom left to top right. The outer edges of the galaxy are blue, while the inner two-thirds is yellowish with a bright, central core. Four inset boxes form an arc along the top portion of the galaxy, each showing a bright white star in the center surrounded by other stars. Each box has a correlating date at the bottom: Dec. 17, 2020, Dec. 21, 2010, Dec. 30, 2019, and Jan. 26, 2011. The center star in the boxes appears brighter with each passing date. An arrow from galaxy’s right center spiral arm points to the boxes, indicating where the star originates in the galaxy.

  13. NASA's Webb Reveals Intricate Layers of Interstellar Dust, Gas

    January 14, 2025Release ID: 2025-102 Missions: Webb

    A supernova flashbulb illuminated otherwise unseen material between the stars.

    Three rows show Webb images of the same region taken on three different dates. The top row is labeled August 19, 2024. The middle row is labeled September 16, 2024. The bottom row is labeled September 30, 2024. Each row shows two images split by a vertical black bar where there is no data. Each image is speckled with dozens of white stars, some showing Webb’s signature 8-point diffraction spikes, against the black background of space. The images also show tightly packed, glowing red filaments that resemble muscle fibers or wood grain. While the background stars are the same in every row, the filaments change noticeably. In the top row, the filaments extend horizontally from upper left to lower right. In the middle and bottom rows, the filaments extend from lower left to upper right, and seem to shift slightly downward in position, with the last the lowest.

  14. Newfound Galaxy Class May Indicate Early Black Hole Growth, Webb Finds

    January 14, 2025Release ID: 2025-101 Missions: Webb

    Scientists compile large sample of an unusual class of objects in an effort to connect the dots to the early universe.

    Six Webb images of little red dots are combined in a two-row mosaic. Each little red dot is centered within a square frame and lies against the black background of space. Each dot has a yellow-white circular core surrounded by a red, fuzzy ring. White text in the top left corner of each box lists the source’s name from the Webb surveys, and its redshift. From left to right, the top row reads CEERS 14448, z = 4.75; NGDEEP 4321, z = 8.92; and PRIMER-COS 10539, z = 7.48. The bottom row reads CEERS 20320, z = 5.27; JADES 9186, z = 4.99; and PRIMER-UDS 17818, z = 6.40.

  15. Webb Watches Carbon-Rich Dust Shells Form, Expand in Star System

    January 13, 2025Release ID: 2025-103 Missions: Webb

    The telescope shows that the winds of two massive stars are producing carbon-rich dust, which may eventually “seed” new stars and planets.

    A three-part graphic showing observations of Wolf-Rayet 140, two massive stars with 17 dust shells around them. An inset appears at right, showing a portion of the two observations matched up to show that the arced dust has moved.

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