One of the major challenges in deciphering Ice Age bones is resolving a conflict in the records between what they say, that ...

The vibrations of atoms in a crystal generate one type of rotation, an intrinsic spin-like trait called angular momentum. For ...

Some 2,200 kilometers beneath our feet lies the outer core, a molten layer of rock that moves constantly. This rotation creates the planet’s natural magnetic field. For decades, scientists had ...

With every cycle of a gas-powered engine, three-quarters of the energy in the fuel goes out as heat through the exhaust and into the atmosphere. A ...