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  1. NASA's Webb Scratches Beyond Surface of Cat's Paw for 3rd Anniversary

    July 10, 2025Release ID: 2025-129 Missions: Webb

    What lies within a toe bean? According to NASA’s James Webb Space Telescope, mini toe beans composed of gas, dust, and stars.

    A section of the Cat’s Paw Nebula, a local star-forming region composed of gas, dust, and young stars. Four roughly circular areas are toward the center of the frame: a small oval toward the top left, a large circle in the top center, and two ovals at bottom left and right. Each circular area has a luminous blue glow, with the top center and bottom left areas the brightest. Brown-orange filaments of dust, which vary in density, surround these four bluish patches and stretch toward the frame’s edges. Small zones, such as to the left and right of the top-center blue circular area, appear darker and seemingly vacant of stars. Toward the center are small, fiery red clumps scattered among the brown dust. Many small, yellow-white stars are spread across the scene, some with eight-pointed diffraction spikes that are characteristic of Webb. A few larger blue-white stars with diffraction spikes are scattered throughout, mostly toward the top left and bottom right. In the top right corner is a bright red-orange oval.

  2. NASA Webb 'Pierces' Bullet Cluster, Refines Its Mass

    June 30, 2025Release ID: 2025-128 Missions: Webb

    Webb shows fainter and more distant galaxies, along with light from stars that trace dark matter in these galaxy clusters, helping researchers carefully map everything in the scene.

    Webb near-infrared data combined with Chandra X-ray data of the Bullet Cluster show many overlapping objects, including foreground stars, galaxies in galaxy clusters, and distorted background galaxies behind the galaxy clusters, set against the black background of space. A large blue oval, two pink areas, and a smaller blue area are layered on top.

  3. NASA's Webb Digs into Structural Origins of Disk Galaxies

    June 26, 2025Release ID: 2025-121 Missions: Webb

    Scientists “excavated” disk galaxies across cosmic time to understand their formation history.

    Two mosaics of edge-on disk galaxies observed by the James Webb Space Telescope. Each mosaic has eight images, split in two rows. The mosaic at the top is titled “thin and thick disk galaxies.” The mosaic at the bottom is titled “thick disk only galaxies.” Each disk galaxy is centered within a square frame and lies against the black background of space. They appear as thin lines with a slight bulge in their centers. A few of the galaxies are horizontal or vertical, but many are angled diagonally. The thin and thick disk galaxies are overall whiter and brighter compared to the thick disk only galaxies, which are fainter and brown-orange. Text in the bottom right of each box lists the galaxy’s redshift. From left to right, the first row of the top mosaic reads z =0.12; z = 0.25; z = 0.45; and z = 0.72. The second row reads z = 0.21; z = 0.38; z =0.65; and z = 0.73. The top row of the bottom mosaic reads z = 0.73, z = 0.94; z = 1.25; and z = 2.63. The bottom row reads z = 0.91; z = 1.03; z = 2.13; and z = 3.01.

  4. Likely Saturn-Mass Planet Imaged by NASA Webb Is Lightest Ever Seen

    June 25, 2025Release ID: 2025-126 Missions: Webb

    The newfound planet represents Webb’s first direct image discovery of a planet.

    An image of a nearby star and its vicinity. The star itself has been blocked out and its bright light has been removed, appearing black. A dashed circle with a star symbol at the center of the image marks the star’s location. A fuzzy blue disk surrounds the star. An orange spot, near the star and inside this disk around 2 o’clock, is identified as a planet orbiting the star. A fainter orange spot at the lower left edge marks a distant star.

  5. NASA's Roman to Peer Into Cosmic 'Lenses' to Better Define Dark Matter

    June 12, 2025Release ID: 2025-203 Missions: Roman

    The Nancy Grace Roman Space Telescope will identify over 160,000 gravitational lenses, which magnify background galaxies that existed earlier in the universe, in search of more information about dark matter.

    Graphic shows a simulated Roman Space Telescope image with four pullouts to show examples of gravitationally lensed galaxies.

  6. Moons of Uranus Surprise Scientists in NASA Hubble Study

    June 10, 2025Release ID: 2025-018 Missions: STScI

    New surface data from largest Uranian moons are contrary to expectations.  

    Four small, white dots appear widely spaced in a steep, roughly jagged, diagonal line from top right to bottom left. These white dots appear against a solid black background. A fifth small, white dot is superimposed on a much larger blue sphere, which is also on the black background. This medium-blue sphere has pink, white, and lighter blue diagonal striations. Also superimposed on this striated sphere is a tiny black dot, which is just to the right and slightly beneath the white dot. Encircling the blue sphere at the same steep diagonal angle as the white dots and striations are thin, ghostly, white, Saturn-like rings. The four white dots are labeled, from top right to bottom left, “Titania,” “Oberon,” “Umbriel,” and “Miranda.” The white dot and its accompanying black dot, which are both superimposed on the blue sphere, are labeled “Ariel and shadow.” The faint, Saturn-like rings encircling the blue sphere are labeled simply “rings.”

  7. Frigid Exoplanet in Strange Orbit Imaged by NASA's Webb

    June 10, 2025Release ID: 2025-125 Missions: Webb

    First image ever taken of exoplanet in extremely mis-aligned system

    This image shows the exoplanet 14 Herculis c. The view is mostly black, with very faint red splotches in the central region of the image. At the center of the image, there is a black circle, and in the center of that, there is a star symbol representing a real star. This black circle blocks the light from the host star. To the lower right of the circle is a fuzzy bright orange circle, which is the exoplanet.

  8. NASA's Webb Rounds Out Picture of Sombrero Galaxy’s Disk

    June 03, 2025Release ID: 2025-127 Missions: Webb

    Stellar light shines from iconic target in near-infrared

    Image of a galaxy on the black background of space. The galaxy is a very oblong, brownish yellowish disk that extends from left to right at an angle (from about 10 o’clock to 5 o’clock). Mottled dark brown patches rim the edge of the disk and are particularly prominent where they cross directly in front of the galaxy. The galaxy’s center glows white and extends above and below the disk. There are different colored dots, distant galaxies, speckled among the black background of space surrounding the galaxy. At the bottom right, there is a particularly bright foreground star with Webb’s signature diffraction spikes.

  9. Apocalypse When? Hubble Casts Doubt on Certainty of Galactic Collision

    June 02, 2025Release ID: 2025-017 Missions: Hubble

    A Possible Near Miss Between Our Galaxy and the Andromeda Galaxy

    A three-panel image, two at the top and one stretched across the bottom. At the top of the image is the title “Three Future Scenarios for Milky Way and Andromeda Encounter.” This title is extended over all three panels. In the top left panel, two spiral galaxies are widely separated against the black background of space. Beneath these galaxies are the words “Galaxies bypass at 1 million light-year separation.” In the top right panel, two face-on spiral galaxies are close together. Their spiral arms appear stretched toward each other. At the bottom of this panel are the words “At 500,000 light-years, dark matter provides friction that brings galaxies to a close encounter.” In the bottom panel, two spiral galaxies have collided, resulting in a broad X-shaped patch of milky white. Mottled clouds of dark brown dust are superimposed. At the bottom of this panel are the words “A 100,000 light-year separation leads to a collision.”

  10. Another First: NASA Webb Identifies Frozen Water in Young Star System

    May 14, 2025Release ID: 2025-119 Missions: Webb

    Researchers found water ice throughout a dusty debris disk circling the Sun-like star HD 181327.

    An illustration of Sun-like star HD 181327 and its surrounding debris disk.

  11. Webb's Titan Forecast: Partly Cloudy With Occasional Methane Showers

    May 14, 2025Release ID: 2025-122 Missions: Webb

    Astronomers see evidence of clouds bubbling up over Titan’s northern hemisphere.

    A six-panel graphic with two rows and three columns, showing infrared images of Saturn’s moon Titan.

  12. NASA's Webb Reveals New Details, Mysteries in Jupiter's Aurora

    May 12, 2025Release ID: 2025-108 Missions: Webb

    Webb sees the aurora flickering, fluctuating, and undulating at Jupiter’s north pole.

    Three panels show the top of a planet in shades of orange. A bright ribbon wraps around the planet's pole. Inside the circle formed by the ribbon is a more mottled area. Below the ribbon, the planet is much darker.

  13. NASA's Hubble Pinpoints Roaming Massive Black Hole

    May 08, 2025Release ID: 2025-015 Missions: Hubble

    Wandering black hole ate a star that got in its way.

    Six-panel illustration marked "Artist's Concept." The upper left panel shows the silhouette of supermassive black that is adrift inside a galaxy. The middle upper panel shows a yellow star drifting near the black hole. The three following panels show the star being shredded in bright white concentric streamers followed by a white explosion. the bottom right panel is an external view of the galaxy showing a bright white star-like object that is the site if the explosion as viewed in X-rays and visible light.

  14. New Visualization From NASA's Webb Telescope Explores Cosmic Cliffs

    May 07, 2025Release ID: 2025-123 Missions: Webb

    Iconic Webb image transforms into a 3D landscape of gas, dust, and stars.

    The image is divided horizontally by an undulating line forming peaks and valleys in the top third. At the bottom is a brown cloudscape forming a nebula. At the top is a comparatively clear upper portion in blue. Speckled across both portions are innumerable stars of many sizes.

  15. NASA's Webb Lifts Veil on Common but Mysterious Type of Exoplanet

    May 05, 2025Release ID: 2025-113 Missions: Webb

    Scientists determine atmospheric makeup of small, hot, gassy sub-Neptune.

    Illustration showing a large fuzzy blue planet in the foreground, and an orange-yellow star in the background. The side of the planet facing the star is lit, and the side facing away is dark. The boundary between the lit and dark sides is fuzzy. The atmosphere is almost homogeneous in color and texture, with extremely subtle variations and no sign of a surface. The star is slightly more orange than the Sun. The black background of space is scattered with white points of light.

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