The U.S. Air Force’s effort to pair autonomous drones with manned fighter jets reached a concrete milestone when the YFQ-42A prototype completed flight testing designed to validate airworthiness, ...

Researchers simulated nearly every molecule in a bacterial cell — and then watched the cell grow and reproduce.

Coenzyme A, a molecule derived from vitamin B5, is vital for metabolism throughout the body. Scientists discovered that most of it resides inside mitochondria, yet how it reached these cellular ...