Eight of serial killer John Wayne Gacy’s victims remained a mystery, 35 years after his conviction. One man made it his mission to identify them.

In my naive denial, I had wanted to see him as a hapless ne’er-do-well, a nonconformist with a streak of dishonesty. I liked to think of him as a latter-day Robin Hood. Now I knew that wasn’t true.

Residents have lived near more than 100 massive petroleum storage tanks for decades, never really knowing if they’re breathing in dangerous chemicals. Now they’re fighting to find out.

On a recent lawsuit over Stairway to Heaven and Led Zeppelin’s deep catalog of songs that were revealed to have been written by others.

How Google used artificial intelligence to transform Google Translate, one of its more popular services — and how machine learning is poised to reinvent computing itself.

A profile of Vogue Creative Director André Leon Talley.

From our guide to haute couture genius at Slate.

Five years ago, Mel Gibson was one of Hollywood’s few genuine family-men and a leading box office attraction; inside his wild descent from star to pariah.

You learn to believe in your child’s existence. What happens when she’s killed by a piece of your daily environment?

Federal agencies have hired contractors with no experience to find respirators and masks, fueling a black market filled with price gouging and multiple layers of profiteering brokers. One contractor called them “buccaneers and pirates.”

Gregg Bemis is an 87-year-old retired venture capitalist who owns the salvage rights to the Lusitania. He’s determined to prove an alternate theory as to why the ship was attacked in 1915. Unfortunately, the Irish government isn’t so into his plan.

How a distillery worker in Kentucky stole hundreds of thousands of dollars’ worth of bourbon, one barrel at a time.

A pair of undercover journalists, a boatload of refugees, 200 miles of ocean and a journey that has claimed more than a thousand lives.

Atul Gawande’s recent commencement address at Stanford’s School of Medicine graduation. “Each of you is now an expert. Congratulations. So why—in your heart of hearts—do you not quite feel that way?”

An inmate’s protest.

On William H. McMasters, who ten days after being hired as Charles Ponzi’s publicist wrote a scathing exposé in The Boston Post that revealed the biggest fraud, at the time, in American history.

Life as Beck.

A suitcase was smuggled from Spain to Mexico during the Spanish Civil War containing negatives from three photographers would later become legends and all die in war zones. The suitcase disappeared.

Saudi Arabia thought a bombing campaign would quickly crush its enemies in Yemen. But three years later, the Houthis refuse to give up, even as 14 million people face starvation.

The former first lady’s new memoir recounts her family’s trajectory from the Jim Crow South to Chicago’s South Side and her own improbable journey from there to the White House.

These Boston high school valedictorians set off to change the world. But good grades only got them so far. Is Boston failing its brightest students? A five-part series about the students left behind.

An African-American-owned restaurant began making the spicy dish eighty years ago. Now it’s a viral sensation. Who’s getting the big money?

On losing your mom.

The man on the trail went by “Mostly Harmless.” He was friendly and said he worked in tech. After he died in his tent, no one could figure out who he was.

To understand Cam Newton, you need to go to a small church 45 minutes outside of Atlanta called Holy Zion Center of Deliverance and hear his dad preach.

In a dark echo of Rear Window, a wheelchair-bound hacker seizes control of hundreds of webcams, most of them aimed at young women’s beds.