Unvaccinated U.S. Visitors Could Face New Europe Travel Restrictions

The E.U. recommended reimposing the rules, a blow to the continent’s ailing tourism sector. But the change is not mandatory. Here’s the latest on Covid-19.

The World Is Still Short of Everything. Get Used to It.

Pandemic-related product shortages were supposed to be resolved by now. Instead, the world has gained a lesson in the ripple effects of disruption.

Demand is surging for a deworming drug, despite scant evidence it works in treating Covid.

At Birth, She Already Had a Case File. At 7 Years Old, She Was Dead.

A child welfare system meant to protect Julissia Batties from an abusive home life failed the ultimate test.

Exile or Jail: The Grim Choice Facing Russian Opposition Leaders

Experts say the current exodus of journalists and dissidents is the biggest wave of political emigration in the country’s post-Soviet history.

California’s Plan to Make New Buildings Greener Will Also Raise Costs

A building code change for new construction could reduce emissions by requiring use of solar panels and batteries, raising prices in an already expensive state.

Novak Djokovic Knocks on the Door of a Very Exclusive Club

Only five players have achieved a Grand Slam. Winning four major titles in a calendar year — the holy grail of tennis — is improbably hard.

Tennis players have been stubbornly slow to get coronavirus vaccinations.