Chandra X-Ray Observatory

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NASA Connects Little Red Dots with Chandra, Webb

April 29, 2026

A newly discovered object may be a key to unlocking the true nature of a mysterious class of…

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The images of Trumpler 3 and NGC 2353 are open clusters that contains hundreds of young stars that are gravitationally bound together because they formed from the same gas cloud. In this composite image of the clusters, X-rays from Chandra (purple) have been combined with an optical image from the PanSTARRS telescope in Hawaii (red, green, and blue). The stars look like fuzzy dots of different sizes dotting the darkness of space.

April 24, 2026

These images, released on April 14, 2026, show two open star clusters, Trumpler 3 (left) and NGC 2353…

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NASA Finds Young Stars Dim in X-rays Surprisingly Quickly

April 15, 2026

Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in…

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NASA-JAXA’s XRISM Telescope Clocks Hot Wind of Galaxy M82

March 26, 2026

For the first time, astronomers have directly measured the speed of superheated gas billowing from a cauldron of…

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NASA Discovers Crash of Extreme Stars in Unexpected Site

March 11, 2026

A fleet of NASA missions has likely uncovered a collision between two ultradense stars in a tiny galaxy…

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Three new Chandra sonifications of data of Jupiter, Saturn, and Uranus have been released. Planets and other Solar System bodies can reflect X-rays given off by the Sun, which Chandra can detect. Sonification is a process that translates data captured by Chandra and other telescopes into sound. In addition to X-rays from Chandra, these new sonifications contain data from Hubble, Cassini, and Keck telescopes. In this image, the amount of diffuse X-rays from a donut-shaped ring of energetic particles around Jupiter, seen on the left and right side of the planet, has been enhanced compared to the amount of X-rays from the planet's auroras, seen at the poles. As the scan moves left to right, it encounters X-rays that bracket the planet on either side, and this plays as woodwind sounds. As we pass over the planet itself, seen in an infrared image from NASA’s Hubble Space Telescope, the sounds become fuller as the infrared data is represented by other instruments. Since Jupiter is tilted slightly, the pitch descends as the scan passes over the bright band near the equator and through the Great Red Spot. On the other side, more X-ray data from Chandra flanks the planet and can be heard as gusty wind sounds at the end.

February 26, 2026

In late February, people in the Northern Hemisphere can look up for a special sight: six planets will…

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February 24, 2026

For the first time, a much younger version of the Sun has been caught red-handed blowing bubbles in…

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February 16, 2026

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This image contains lower-, medium-, and higher-energy X-rays in red, green, and blue respectively.

January 24, 2026

Like a recording artist who has had a long career, NASA’s Chandra X-ray Observatory has a “back catalog” of cosmic…

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Supernova Remnant Video From NASA’s Chandra Is Decades in Making

January 7, 2026

A new video shows the evolution of Kepler’s Supernova Remnant using data from NASA’s Chandra X-ray Observatory captured…

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$This release features a composite image of a galaxy cluster first discovered on New Year's Eve day, 2020. The cluster appears here as a large collection of brilliant white lights, each a distinct galaxy. A neon purple cloud stretches across the cluster's crowded core. Many of the hundred-plus galaxies in the cluster are in two clumps of galaxies towards the top and bottom of center. Some are encircled by a faint glowing haze, while a few foreground stars gleam with diffraction spikes. Some of the smaller galaxies are tinted blue, orange, or red, and some appear more oblong than round, suggesting spiral shapes viewed edge-on. The neon purple cloud sits at the heart of the image, surrounding the most densely-packed part of the cluster. This cloud, which spreads vertically across the cluster, is multimillion-degree gas observed by Chandra. The two clumps of observable galaxies, and the spread of superheated gas, reveal that the Champagne Cluster is in fact two clusters in the process of colliding. With the two clusters of sparkling light clinking together, and the auspicious discovery date, astronomers have dubbed the merged cosmic structure "The Champagne Cluster".$

December 31, 2025

Celebrate the New Year with the “Champagne Cluster,” a galaxy cluster seen in this new image from NASA’s…

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Chandra & IXPE composite image of the Perseus Cluster.

December 17, 2025

Written by Michael Allen An international team of astronomers using NASA’s IXPE (Imaging X-ray Polarimetry Explorer) has identified…

NASA Connects Little Red Dots with Chandra, Webb

NASA’s Chandra Finds Young Stars Dim Quickly

NASA Finds Young Stars Dim in X-rays Surprisingly Quickly

NASA-JAXA’s XRISM Telescope Clocks Hot Wind of Galaxy M82

NASA Discovers Crash of Extreme Stars in Unexpected Site

Listen to This Month’s ‘Planetary Parade’ With NASA’s Chandra

Young ‘Sun’ Caught Blowing Bubbles by NASA’s Chandra

Deepest views from James Webb and Chandra telescopes reveal a monster object that defies theory — Space photo of the week

NASA’s Chandra Releases Deep Cut From Catalog of Cosmic Recordings

Supernova Remnant Video From NASA’s Chandra Is Decades in Making

NASA’s Chandra Rings in New Year With Champagne Cluster

NASA IXPE’s Longest Observation Solves Black Hole Jets Mystery