Caroline Mullet, a ninth grader at Issaquah High School near Seattle, went to her first homecoming dance last fall, a James Bond-themed bash with blackjack tables attended by hundreds of girls dressed up in party frocks. A few weeks later, she and other female students learned that a male classmate was circulating fake nude images of girls who had attended …

In her three decades of working with elephant seals, Dr. Marcela Uhart had never seen anything like the scene on the beaches of Argentina’s Valdés Peninsula last October. It was peak breeding season; the beach should have been teeming with harems of fertile females and enormous males battling one another for dominance. Instead, it was “just carcass upon carcass upon …

On Monday morning, a Manhattan jury will hear opening statements in People of the State of New York v. Donald J. Trump, the first criminal prosecution of a former U.S. president. It is the next phase of a criminal trial that will unfold like any other — even though it has a defendant like no other. The trial began last …