According to our best possible understanding of the universe, regular matter is only a small fraction of the matter-energy ...

A distant cluster of galaxies is wrapped in a vast halo of high-energy particles that could be the work of supermassive black ...

NASA’s James Webb Space Telescope has taken a closer look at the famous Bullet Cluster—a giant space collision between two ...

To understand gravitational lensing and dark matter, James Jee, a professor at Yonsei University, says to think of a pond ...

Astronomers studying a distant galaxy cluster stumbled upon ancient radio signals that might hold clues to the formation of ...

This is pretty much what’s happening Stephan’s Quintet, a famous cluster of galaxies located roughly 94 million light-years away.

Squid in the Whale This NASA/ESA Hubble Space Telescope image features the spiral galaxy Messier 77, also known as the Squid Galaxy. CREDIT: ESA/Hubble & NASA, L. C. Ho, D. Thilker.

Ancient Greek philosophers debated the Milky Way’s nature, with some attributing it to celestial fires and others viewing it as a dense cluster of distant stars. Credit: Ale RaFlo, CC BY-SA 4.0 via ...

Largest Structure In The Near Universe Discovered – 130,000 Times More Massive Than Our Galaxy The collection of galaxy clusters spans over a billion light-years! Dr. Alfredo Carpineti ...

So far in the last few months, I’ve put the iPhone 16 Pro Max, Galaxy S24 Ultra, and Pixel 9 Pro XL through their own astrophotography shootouts, and now I get to share all of my favorite ...

Abell 1689: A massive galaxy cluster showcasing gravitational lensing, bending light from distant galaxies into beautiful arcs. Pandora's Cluster (Abell 2744): A chaotic merger of multiple galaxy ...

Pandora's Cluster (Abell 2744): A chaotic cosmic collision where multiple galaxy clusters have merged, creating one of universe's most complex art. El Gordo Cluster: The largest and hottest galaxy ...