US stocks closed mixed on Thursday as investors rotated out of tech as they took in fresh labor market data and grappled with ...

US stocks moved mostly lower on Thursday, retreating further from all-time highs as investors took in fresh labor market data and grappled with President Trump's salvos on defense and Venezuela. More ...

Inspired by biological systems, materials scientists have long sought to harness self-assembly to build nanomaterials. The challenge: the process seemed random and notoriously difficult to predict.