The lack of a clear and consistent definition for Long COVID presents challenges for policymakers, researchers, public health professionals, clinicians, support services, and patients.

Learn more about Dr. Katherine Ramsland's working relationship with Idaho Murders killer Bryan Kohberger and what she has to say.

Did Democrat Zohran Mamdani struggle with Black and working-class voters? An analysis suggests the New York City mayoral hopeful trailed among certain demographics. What’s behind the numbers?

1862— One of the most pioneer­ing and militant Black journalists in Black American history is born. Ida B. Wells-Barnett came into the world on this day in Holly Springs, Miss.

Here are the key events on day 1,223 of Russia’s war on Ukraine.