The detected cosmic ray had an estimated energy of 244 EeV, comparable to the most energetic cosmic ray ever observed (Osaka Metropolitan University/L-INSIGHT) (CN) — Researchers out of Osaka, Japan, ...

A high-energy particle has fallen from space, and scientists have no idea what it is or where it came from. It occurred during an ultra-high-energy cosmic ray event, the likes of which were only ...

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"I am personally excited to have found a new mystery in science to solve." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Over the years, ...