Editor’s note: This is the first in a series that explores the Loop. Technically, the Loop’s construction began in 1978. But it wasn’t called the Loop then. If you’re unfamiliar, the Loop is a ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Mar. 2, 2026 Icy moons circling the outer planets may be far more dynamic—and explosive—than they appear. New research suggests that when heat from tidal forces melts their ice shells from below, the ...