TRONDHEIM, Norway — Particles racing through space at nearly the speed of light pack energy millions of times greater than anything we can create on Earth. For decades, these cosmic bullets have ...

Scientists studying a mysterious effect called cosmic birefringence—a subtle twist in the polarization of the universe’s ...

Smashing atomic nuclei together at mind-bending speeds recreates the fiery conditions of the early universe and scientists are finally getting a better handle on what happens next. A sweeping new ...

A new study broadens the horizon of knowledge about how matter behaves under extreme conditions and helps to solve some great unknowns about the origin of the universe. An international team of ...

Below the waves of the Mediterranean, Europe's KM3NeT neutrino telescope is on a cosmic hunt. Towering strings of sensors stretch a kilometer down to the seafloor, arranged in a vast 3D grid. Its ...