For conspiracy theorists, no defeat is final. There’s always more to the story, and no investigation will ever be sufficient.

Amid the sultry summer months, a few signs of fall become apparent, such as the appearance of school supplies on stores ...

A contagious new COVID-19 variant called NB.1.8.1, aka "Nimbus," is now dominant in the United States, CDC data show. What to know about symptoms and vaccines.