A person in Louisiana has contracted the nation's first severe case of bird flu after the virus mutated inside their body, allowing it to more easily infect their upper respiratory system. Dr. Celine Gounder explains.
The homeless Massachusetts woman who stabbed another woman changing her baby in the bathroom at Macy's in NYC carried out the attack hours after being released from a psychiatric hospital....
Former Vice President Kamala Harris thanked supporters for defending democracy and the rule of law during her speech at the Democratic National Committee's winter meeting in Los Angeles....