Our physics expert picks his top-five equations, plus a scheme to supply US power needs with a bucket of baseballs. Thanks, ...

New research suggests that dark energy isn't needed to explain the acceleration in the expansion ... have mapped the universe's growth over time. Decades ago, researchers used this method to ...

Using multiple energy levels in their updated model, the team created a set of equations that predict ... Do et al, Time-dependent Acceleration and Escape of Charged Particles at Traveling Shocks ...