The mystery behind an audio clip that helped upend a Senate race

 (Florencia Tan Jun/Sportsfile via Getty Images)

Artificial intelligence tools increasingly allow political actors to fool voters — and help candidates cast doubt on reality.

By Liz Goodwin

The shame in a photo of an asylum seeker before his death belongs to us all

5 subtle symptoms dentists say you should never ignore

Her back hurt, then she couldn’t button her pants. The cause was alarming.

The best time to buy an iPhone may be right this minute

U.S. says it hit 3 Iranian oil tankers, including one near Kharg Island

Republican House candidates tone down Trump on their campaign websites

Credit card scammers are using this tactic to bury bank fraud alerts

These lessons from ‘The Oregon Trail’ could help you survive in the wild

OpenAI feared its technology could reshape elections. Now campaigns are using it.

Trove of documents reveals alleged chemical weapons stockpile in Sudan

This appliance might be all you need to ditch your AC this summer

We asked scientists: Is it okay to use a little bit of cannabis?

 (Illustration by George Wylesol/For The Washington Post)

Here’s what to know about the latest research on cannabis and health risks.

New study reveals a major perk of being single

The muscle ability you lose fastest with age — and how to preserve it