Kamala Harris, Russian vaccine, Thai students: Here’s what you need to know.

Airborne virus plays a significant role in community transmission, many experts believe. A new study fills in the missing piece: Floating virus can infect cells.

In a video, Svetlana Tikhanovskaya — the main opponent of Aleksandr Lukashenko, the embattled president of Belarus — explains why she left the country early Tuesday amid antigovernment protests.

A carne asada goes far beyond grilled meat: In the Mexican state of Sonora, it’s a weekly ritual, a tight-knit gathering of friends and family.

Prime Minister Jacinda Ardern on Tuesday confirmed four new cases of the coronavirus in New Zealand. The announcement came shortly after the country’s 100-day milestone without any new infections.

And what else you need to know today.

Thousands of young people, borrowing from Harry Potter and other pop culture touchstones, are calling on the army and its allies to get out of politics.

Lebanon resignations, Belarus protests, Champions League: Here’s what you need to know.

An American contractor spotted and reported the potential danger at least four years ago, but U.S. officials denied they were aware of the findings until last week, after the blast.

The agency gave its interpretation of an inspector general’s report on Secretary of State Mike Pompeo pushing arms sales to Saudi Arabia and the U.A.E., but declined to release the findings.