Astronomers working with Hubble Space Telescope and Euclid data have identified an object in the Perseus Cluster that appears ...

An international team of astronomers has solved one of the longstanding cosmic mysteries by uncovering direct evidence of a massive, long-lost object that collided with the Perseus cluster. Using high ...

The Hubble Space Telescope has discovered a galaxy in the the Perseus galaxy cluster that is "composed of 99% dark matter," ...

Most of the universe is made up out of things we can’t find. While dark matter is just that — dark — an X-ray anomaly in Perseus and 72 other galaxies may finally be a tell-tale signature of a ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. X-ray light from the Perseus cluster of galaxies may finally reveal the true nature of one of the ...

The Nature Index 2026 Research Leaders reveal the leading institutions and countries/territories in the natural sciences, health sciences, applied sciences and social sciences, according to their ...

Midway up in the northeastern sky after dark at this time of year lies the constellation of Cassiopeia. Seeing an ancient Ethiopian queen there will challenge your imagination, but finding five stars ...