The universe may contain a staggering 40 quintillion black holes
Astronomers estimate that about 40 quintillion stellar-mass black holes exist within the observable universe, a number written as…
NASA’s Hubble Spots Star-Spangled Cosmic Scene
More than 500,000 stars blaze red, white, and blue in this image from NASA’s Hubble Space Telescope, released…
NASA Webb, Hubble Reveal History of Relic of Milky Way’s Formation
Researchers using two of humanity’s most powerful observatories — NASA’s James Webb and Hubble Space Telescopes — have…
Hubble photographs spiral galaxy with black hole 100 million times the sun’s mass
This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 88. (ESA/Hubble & NASA, D. Thilker) A…
Pretty in Pink – NASA
This image of Westerlund 2 released on March 19, 2026, features Chandra X-ray Observatory data (pink) and infrared…
Webb Studies Star Clusters – NASA
This near-infrared image released on May 6, 2026, shows a section of one of the spiral arms of…
NASA Finds Young Stars Dim in X-rays Surprisingly Quickly
Scientists have found that young stellar cousins of our Sun are calming down and dimming more quickly in…
Chandra, Webb Catch Twinkling Lights
Data from Chandra adds red, green, and blue twinkling lights in this Dec. 22, 2025, image of Pismis…
NASA’s Fermi Spots Young Star Cluster Blowing Gamma-Ray Bubbles
For the first time, astronomers using NASA’s Fermi Gamma-ray Space Telescope have traced a budding outflow of gas…
Hubble Seeks Clusters in ‘Lost Galaxy’
Today’s NASA/ESA Hubble Space Telescope image features the spiral galaxy NGC 4535, which is situated about 50 million…
NASA’s TESS Spacecraft Triples Size of Pleiades Star Cluster
Astronomers have revolutionized our understanding of a collection of stars in the northern sky called the Pleiades. They…
Hubble Surveys Cloudy Cluster – NASA
This NASA/ESA Hubble Space Telescope image released on Sept. 12, 2025, features a cloudy starscape from an impressive star cluster.…