New clinical trial data showed a new drug can slow cognitive decline in Alzheimer's patients, potentially paving the way for a drug to hit the U.S. market next year.
The omicron variant is driving U.S. COVID-19 case counts higher.
As multiple investigations involving Timothy Olson are underway by Wisconsin police, here's what we know so far about his alleged crimes.
A judge declared a mistrial after jurors said they were deadlocked at the trial of Danny Masterson, who was charged with three rapes.
In an exclusive interview, CNN's Erin Burnett speaks to a Chinese student, now living in England, risking his life to speaking out against China's attempts to suppress demonstrations that erupted across the country against the government's zero-Covid policy.