Intracluster light is a diffuse glow of stars stripped from galaxies during a galaxy cluster’s formation.
Abell 3667 is featured in this DECam image....
Abell 209 is a massive galaxy cluster located about 2.8 billion light-years away in the constellation of Cetus.
This Hubble image shows Abell 209, a galaxy...
Astronomers have discovered the largest known cloud of energetic particles surrounding a galaxy cluster — the 20-million-light-year-wide cloud around...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have captured a remarkable new image of the galaxy cluster Abell S1063.
This Webb image shows...
Light from an extremely distant spiral galaxy was bent and magnified by the gravity of a member of the galaxy cluster SMACSJ0028.2-7537 into a ring-like...
New data from NASA’s Chandra X-ray Observatory and ESO’s Very Large Telescope provide evidence that outbursts from supermassive black holes can help...
Using James Webb Space Telescope observations, astronomers have identified more than 40 microlensed stars in a single galaxy behind the galaxy cluster...
The Antlia galaxy cluster is a group of at least 230 galaxies held together by gravity; this cluster is unusual — unlike most other galaxy clusters,...
Nicknamed the Firefly Sparkle, the newly-discovered galaxy existed approximately 600 million years after the Big Bang and consisted of a least 10 star...
The standard model predicted that the NASA/ESA/CSA James Webb Space Telescope would see dim signals from small, primitive galaxies. But data are not confirming...
Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North telescope at NSF’s International Gemini Observatory, operated by NOIRLab, astronomers...
The newly-developed map of the local Universe is based on the motions of 56,000 galaxies, according to a team of astrophysicists from the Leibniz Institute...
Astronomers using ESO’s VLT Survey Telescope (VST) in Chile have captured a stunning image of the distorted spiral galaxy NGC 3312.
This VST image shows...
It’s 7 billion years ago, and the Universe’s heyday of star formation is beginning to slow. What might our Milky Way Galaxy have looked like at that...
The two galaxy clusters, known collectivity as MACS J0018.5+1626, each contain thousands of galaxies and are located billions of light-years away from...
Astronomers using the NASA/ESA/CSA James Webb Space Telescope have spotted at least five young globular clusters within SPT 0615-JD1 (also known as the...
ESA’s Euclid mission has released five new images that showcase the telescope’s ability to explore two large-scale cosmic mysteries: dark matter and...
The reionization of the Universe occurred some 500 to 900 million years after the Big Bang. It represents the transformation of neutral hydrogen into ionized...