Astronomers have unveiled a new catalog of massive galaxy clusters, revealing insight on the evolution of the universe. Galaxy clusters — the largest gravitationally bound structures in the universe — ...

Scientists discovered a distant jellyfish galaxy with star-forming "tails" stretching back 8.5 billion years.

Using data from the Hubble Space Telescope, ESA’s Euclid space observatory, and Hawaii’s Subaru Telescope, the researchers discovered faint light emitting around the clusters. That light was clear ...

A fluffy cluster of stars spilling across the sky may have a secret hidden in its heart: a swarm of over 100 stellar-mass black holes. The star cluster in question is called Palomar 5. It's a stellar ...

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London. Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and ...

When a galaxy is born, it is cool and immature, much like a baby. Over the initial million years of its life or so, it feeds on the heat energy of neighboring stars and celestial objects, often ...

The first stars in the Universe were born several hundred million years after the Big Bang, ending a period known as the cosmological ‘dark ages’ when atoms of hydrogen and helium had formed, but ...

A newly discovered galaxy cluster could rewrite our understanding of the cosmos, as scientists spot 'something the universe wasn’t supposed to have’. Researchers found that the cluster was burning ...

Thousands of galaxies flood this near-infrared, high-resolution image of galaxy cluster SMACS 0723 Photo courtesy of NASA, ESA, CSA, STScI A team of Canadian astronomers, including experts from the ...

A young galaxy cluster spotted by the Chandra X-ray Observatory may have gotten a head start on "relaxing" before is galactic siblings. When you purchase through links on our site, we may earn an ...