Coronavirus variant fear sparks Africa travel curbs

The ex-president spoke for two hours at his first rally since the search – here is what we learned.

The must-reads I’ve combed the internet to find you today’s most fun/important/scary/fascinating stories about technology. 1 A new study upends...

Pulling methane out of the atmosphere has the potential to help slow global warming in the next few decades—but...

The Boeing 737 crashed in a mountainous area in southern China, and there are fears no one survived.