Hydrogen fuel cell vehicles have long been hailed as the future of clean mobility: cars that emit nothing but water while delivering high efficiency and power density. Yet a stubborn obstacle remains.

STOCKHOLM — Two Americans and an Israeli scientist won the 2009 Nobel Prize in chemistry on Wednesday for atom-by-atom mapping of the protein-making factories within cells — a feat that has spurred ...

What’s the “Matter” with Cells and Atoms? — investigates the difficulties students have with applying ideas about matter consistently and appropriately across the life and physical sciences, and with ...

We’re back for yet another round of thought-provoking science quiz! From chemistry and biology to physics and astronomy, these 27 questions will test your knowledge across all the major disciplines.