Haitian Officials Say They Requested U.S. Forces to Stabilize Country

Fears that the already fragile country will descend further into turmoil after the president’s assassination are growing. Here’s the latest from Haiti.

C.D.C. Issues New School Guidance, With Emphasis on Full Reopening

The guidance acknowledges that many students have suffered from months of virtual learning.

A group of scientists is pressing a case against the theory that the coronavirus leaked from a lab.

Citizens, Not the State, Will Enforce New Abortion Law in Texas

The measure bans abortions after about six weeks of pregnancy. And it effectively deputizes ordinary citizens to sue people involved in the process.

F.D.A. Seeks Federal Inquiry Into Its Own Approval of Alzheimer’s Drug

The agency’s acting head said a review should examine whether any interactions between agency staff and the drug developer, Biogen, broke F.D.A. rules.

Like in ‘Postapocalyptic Movies’: Heat Wave Killed Marine Wildlife en Masse

The extraordinary heat and drought in the Western U.S. and Canada has killed hundreds of millions of marine animals and continues to threaten untold species.

Why Record-Breaking Overnight Temperatures Are So Concerning

Nights are warming faster than days across most of the U.S., with potentially deadly consequences.

The death toll from the recent heat wave in Oregon and Washington State rose to nearly 200 people.