Harriet de Wit studies drug use in humans to better prevent and treat addiction.

Chicago physicists tie vortexes into knots.

Researchers study how the mind multitasks, investigate the interplay between asthma and the common cold, scan the brains of incarcerated psychopaths, and see how sleep helps songbirds learn.

At a conference on concussions, many questions and few answers.

Kenneth S. Polonsky, executive vice president for medical affairs, defines the pillars that support the mission of the new Center for Care and Discovery.

Handsome, ambitious, and dead at 39, Howard T. Ricketts tried to unravel the mystery of a Mexico City epidemic.

After more than 20 years in the field, the Hubble Space Telescope’s time dwindles.

Researchers find higher-level thinking in four-year-olds, chronicle anti-Judaism as a foundational idea in Western thought, parse the the hidden messages in praise for children, and answer a geological mystery: why wasn’t paleo-Earth encased in ice?

Neil Shubin's new book traces the molecular connection between humanity and the cosmos.

The social and economic threat of climate change on coastal areas, experts say, demands fast action.

Technology extends the reach of the University's new hospital.