On astrophysicist Sara Seager and her obsession with discovering distant worlds.

Will Lacey was just a baby when doctors diagnosed a rare form of cancer and told his family there was only one end. Nobody then could imagine the journey ahead, from hospital rooms to board rooms, research labs to government offices, a furious race between hope and death.

How modern slot machines develop a nearly unbreakable hold on the brain, leading around one in five pathological gamblers to attempt suicide.

After Moneyball became a best-seller, Michael Lewis learned that many of the ideas it presented to the general public had actually been introduced decades earlier by a pair of Israeli psychologists.

Adapted from The Undoing Project: A Friendship That Changed Our Minds.

After two people are found dead in Yellowstone National Park, a team of investigators tracks down the unlikely culprit: a grizzly bear.

Just don’t call it Jurassic Park.

How a minimally trained, isolated man named Srinivasa Ramanujan figured out some of mathematics’ deepest theoretical problems using little more than an out-of-date elementary school textbook.

The shrinking of the country’s ice sheet is triggering feedback loops that accelerate the global crisis.

A story from the end of the earth.

We don’t really understand the ocean bottom. We’re mining it anyway.

Yearning for conception.

“Today it’s a mosquito. Tomorrow God only knows what is going to happen.”

When the most famous amnesiac in history died, the battle for custody of his brain began.

A conversation about beauty with an 86-year-old mathematician.

On Robin Williams’s final months.

A boy whose skin blisters at the smallest touch is fighting for his life.

On a centuries-long war that may be coming to an end.

Scientist George Price discovered an equation for altruism. First he let go of his possessions. Then he took his own life.

The story of a pair of murdered whooping cranes and just how difficult it is to save a endangered species.

In their struggle for survival, bees have an unlikely ally: Monsanto.

The doctors, patient, and ethics behind the experiment.

Anti-aging medicine has been an epicenter of quackery for more than a century, but an MIT scientist is waging his reputation on a new pill.

In the throes of an epidemic, researchers investigate how to inoculate against the disease.

On a 650-mile trek, two adventurers faced danger and hardship—and saw how development could spoil an American icon.

On the mountain lions of Los Angeles.