For two centuries, students have learned that heat flows and engines work according to rigid limits that no machine can beat.

The unusually large Muon has threatened the Standard Model for decades, but new data parks the particle inside the cozy confines of established physics. Reading time 3 minutes Another nail may seal ...

As new and powerful telescopes gather fresh data about the universe, they reveal the limits of older theories like Einstein's relativity. When you purchase through links on our site, we may earn an ...