The Chinese American physicist, who in 1957 became the second-youngest scientist to receive a Nobel Prize, died on Sunday at his home in San Francisco.
This theoretical physicist and mathematician drops a new video several times a month, dispensing her dry wit and pithy wisdom to a loyal fan base of nerds across the internet.
The James Webb Space Telescope will let scientists study small, rocky planets around distant stars in more detail than ever before. After decades of work, it could head into orbit later this year.
Climate and health policies rely on scientific expertise. But the federal science workforce has been shaped by decades of political interference, underfunding and race and gender bias.
Many U.S. colleges have lecture halls named after respected scientists who also promoted racial theories or practices that are now rejected. And increasingly, their names are being removed.