A high-energy neutrino that flung out from a star, ripped apart by a black hole, reveals something about the cosmic sources of these mysterious particles
When massive objects move through the cosmos, they cause ripples in space-time—the fabric of the universe. These ripples, called gravitational waves, were predicted by Albert Einstein...
Today, the axiom that there is more to what we see than meets the eye isn’t just a philosophical statement about ascertaining reality. For physicists working...