Researchers have uncovered a surprising molecular chain reaction in the brain that may play a role in some forms of autism.

Solid-state batteries could be safer and more energy-dense than today’s lithium-ion technology, but finding materials that allow ions to move quickly through solid electrolytes has been difficult.

A meteorite that fell in Germany in 1724 contains a form of silica that conducts heat in a stable manner and baffles physicists.