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

Voters are angry with Washington, and other takeaways from the Colorado primaries

ICE’s arrest of nun heading to church fuels bipartisan backlash in South Texas

A 264-year-old George Washington mystery solved

There’s a new way to treat sprains and strains. Hint: Ice is out.

See which 7 cities could soon see record-hot days and nights

Trump’s focus on his construction projects has increased, Post analysis finds

If you’re at risk of Alzheimer’s, these dietary habits can help, study finds

GOP rebellion over Trump’s elections overhaul leads House to recess for July Fourth early

5 takeaways from Supreme Court rulings this term

Trump’s income topped $2 billion in 2025, boosted by crypto, coin ventures

Pope Leo plans to send a message about migrants on July Fourth

I love my husband, but my marriage is costing me

Influencer chooses followers over being a friend to me. Hax readers give advice.

Meet the barista who keeps the U.S. World Cup team grounded

 (Becky Reeves)

You try playing 90 minutes of top-level soccer without caffeine. But Becky Reeves's coffee cart offers more than just a kick of energy.

By Rick Maese

‘Who cares if we lose? I’ve found ranch dressing.’

As teens, they saw a U.S. World Cup dream fail. As men, they’re reviving it.