Aug 5, 2025 by News Staff

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....

Jul 7, 2025 by Enrico de Lazaro

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...

Jun 11, 2025 by News Staff

Astronomers have discovered the largest known cloud of energetic particles surrounding a galaxy cluster — the 20-million-light-year-wide cloud around...

May 27, 2025 by Enrico de Lazaro

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...

Apr 2, 2025 by Enrico de Lazaro

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...

Jan 28, 2025 by News Staff

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...

Jan 7, 2025 by News Staff

Using James Webb Space Telescope observations, astronomers have identified more than 40 microlensed stars in a single galaxy behind the galaxy cluster...

Jan 1, 2025 by Enrico de Lazaro

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,...

Dec 12, 2024 by News Staff

Nicknamed the Firefly Sparkle, the newly-discovered galaxy existed approximately 600 million years after the Big Bang and consisted of a least 10 star...

Nov 12, 2024 by News Staff

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...

Oct 23, 2024 by Enrico de Lazaro

Using the Gemini Multi-Object Spectrograph (GMOS) on the Gemini North telescope at NSF’s International Gemini Observatory, operated by NOIRLab, astronomers...

Sep 30, 2024 by News Staff

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...

Sep 10, 2024 by Enrico de Lazaro

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...

Sep 5, 2024 by News Staff

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...

Aug 1, 2024 by News Staff

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...

Jun 24, 2024 by News Staff

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...

May 24, 2024 by News Staff

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...

Mar 22, 2024 by News Staff

Using NASA’s Chandra X-ray Observatory and NSF’s Karl G. Jansky Very Large Array (VLA), astronomers have found that H1821+643 — the nearest quasar...

Feb 29, 2024 by News Staff

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...

Feb 27, 2024 by News Staff

Using the NASA/ESA/CSA James Webb Space Telescope, astronomers have observed an extremely red, quasar-like object — named A2744-QSO1 — behind...