Word of the Day: Though rarely used in casual conversation, crepuscular remains one of the English language’s most evocative adjectives. Rooted in Latin and enriched by both science and literature, it ...

Leah Pruett returns to NHRA Top Fuel racing after maternity leave, now competing against her husband, Tony Stewart.

The semiconductor chips driving modern-day computer processors are covered in billions of individual transistors, each of which can overheat under stress, causing steep drops in performance. To ...

Plus: Primates of all varieties!