The 42 definitive rules for a group vacation rental

 (Tilde Oyster/The Washington Post)

A handbook for staying friends by the end of the trip, from planning to checking out.

By Hannah Sampson, Andrea Sachs and Natalie Compton

Trump fashions America’s 250th anniversary in his own image

The Pacific Ocean is running a fever. Why that’s an ominous sign.

7 foot symptoms that might be the first signs of a hidden condition

This little blue dot on your phone is a revolutionary invention

Supreme Court’s dramatic moves will reshape elections — and give the GOP a midterm boost

Divorced and middle-aged, he needed to make a friend. But he’d forgotten how.

As Christians are attacked in Israel, government shows little concern

Oxford vs. Cambridge: A guide to visiting England’s rival college towns

How a slavery exhibit in the Confederate capital celebrates American history

Postpartum or perimenopausal? For more women than ever, the answer is both.

For some families, the answer to the housing crisis is in the backyard

Turkey sees its status in NATO rise, thanks to its weapons factories and Trump

How Taylor Swift pulled off the wedding she wants us to see

Each Independence Day, this small town becomes the center of its own American story

They built the world’s most powerful AI. They’re facing a mystery they can’t explain.

 (Tilde Oyster/The Washington Post; iStock)

Anthropic, Google and Meta have hired computer scientists, neuroscientists and philosophers to study what some in the industry think may become a moral crisis.

By Nitasha Tiku

Four Black women. Nine degrees. Not one steady paycheck.

What a gastroenterologist wants you to know about bidets