Several new studies are deepening our understanding of infection and transmission in kids, but there’s still a lot we don’t know.
Rep. Rashida Tlaib is facing off against a Democratic primary challenger on Tuesday.
Trump says he isn’t banning the app — for now — because he’s open to having Microsoft buy it instead.
The WHO says aerosol Covid-19 transmission "cannot be ruled out." Let’s explain.
Murders are up in big cities this summer. Here are seven possible reasons why.
The last agreement limiting America’s and Russia’s nuclear arsenals is months away from expiring.
Congress is still at an impasse as millions see a sharp drop in their unemployment benefits.
As Christian congregations grapple with LGBTQ acceptance, Junia Joplin hoped that candidly telling her story would help her keep her job.