For nearly a century, astronomers have known that the universe is expanding. In the late 1990s, two independent teams, the ...

The Hubble tension is one of the biggest mysteries in cosmology. It centers around the Hubble constant—the measurement of how fast our universe is expanding—which comes out as two different numbers ...

A weird force that skirts traditional physics norms has helped erase a smudge on the foundations of particle physics. It’s a phenomenon called the “neutrino force,” by which neutrinos could ...

Ships have kept their propellers at the stern since 1839, and it turns out there are far more reasons for that than you'd ...