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 ...

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 ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Astronomers have solved a cosmic mystery, revealing the long-hidden ...

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 ...

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 ...

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 ...