Dark matter may have started as light-like particles that abruptly became heavy—a cosmic twist rooted in spin and ...

In the 20th century, cosmic rays helped scientists discover antimatter and the muon—the first evidence for subatomic particles beyond the proton, neutron and electron. Cosmic rays can also tell us ...

Researchers propose a new theory for the origin of dark matter, the invisible substance thought to give the universe its shape and structure. Their mathematical models show that dark matter could have ...

In the vast ocean of existence, a silent dance pulses through every particle, every atom, every breath. This dance is ancient ...

All visitors to the Laboratory age 16 and over must bring a photo ID. Cosmic rays, which are made up of subatomic and atomic particles ranging from electrons and protons to iron nuclei, bombard the ...