Putin Says Russia Is United Behind Him, After Quelling Rebellion

President Vladimir V. Putin spoke angrily of those who want “Russians to fight each other,” but his former ally, Yevgeny V. Prigozhin, said the mutiny he led was not a coup attempt.

Minefields and Menace: Why Ukraine’s Pushback Is Off to a Halting Start

The Ukrainian Army is encountering an array of challenges that has complicated the early stages of its counteroffensive, especially the large swaths of minefields. But its leaders are urging patience, insisting the main push is yet to come.

Intensifying Rains Pose Hidden Flood Risks Across the U.S.

In some of the nation’s most populous areas, hazardous storms can dump significantly more water than previously believed, new calculations show.

A.I. May Someday Work Medical Miracles. For Now, It Helps Do Paperwork.

The best use for generative A.I. in health care, doctors say, is to ease the heavy burden of documentation that takes them hours a day and contributes to burnout.