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This image of Westerlund 2 released on March 19, 2026, features Chandra X-ray Observatory data (pink) and infrared data from…
This near-infrared image released on May 6, 2026, shows a section of one of the spiral arms of Messier 51…
These images, released on April 14, 2026, show two open star clusters, Trumpler 3 (left) and NGC 2353 (right). They…
Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in their X-ray…
In the vast tapestry of the universe, most galaxies shine brightly across cosmic time and space. Yet a rare class…
The low-surface-brightness galaxy CDG-2, within the dashed red circle at right, is dominated by dark matter and contains only a…
This image of dark galaxy CDG-2 was captured by the Hubble Space Telescope’s ACS (Advanced Camera for Surveys) with additional…
Data from Chandra adds red, green, and blue twinkling lights in this Dec. 22, 2025, image of Pismis 24 from…
For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas from a…
