Scientists have employed an innovative technique to investigate Amaterasu, a rare cosmic ray deemed the second most energetic ever recorded. Often called the “sun goddess” particle, Amaterasu has sparked new questions about how such powerful rays are produced and where they originate.

A puzzling kaon decay event has defied our current understanding of physics. Now, scientists are proposing the possibility of a new subatomic particle that could redefine what we know about the fundamental forces of nature.