Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Geroscience examines the underlying biology of aging to delay chronic diseases and extend the healthy years of human life.

Females carry two X chromosomes, and males carry one. Therefore, if Neanderthal males and modern human females were mating ...

In Lake Malawi, hundreds of species of cichlid fish have evolved with astonishing speed, offering scientists a rare opportunity to study how biodiversity arises.

The Xiaomi X Pro QLED TV (2026) highlights how large televisions are becoming more affordable, with its 75-inch model priced ...

Long before today’s tree-dwelling sloths, a 4-ton giant roamed South America — and it may have stood and fought like a bear.

In the deep ocean, where sunlight never reaches, and food drifts down like confetti, survival is less about speed and more about strategy. Take, for example, the tripod fish, a creature that can swim ...

DAVE WADDLES IS THE LEAD BLACK BEAR BIOLOGIST FOR THE MASSACHUSETTS DIVISION OF FISHERIES AND WILDLIFE. HE MONITORS THE STATE’S BEAR POPULATION, WHICH HAS BEEN GROWING FOR THE LAST 40 YEARS. WE NOW ...

PBS News Hour is available to stream on pbs.org and the free PBS App, available on iPhone, Apple TV, Android TV, Android smartphones, Amazon Fire TV, Amazon Fire Tablet, Roku, Samsung Smart TV, and ...

Baby dinosaurs weren’t coddled like lion cubs or elephant calves—they were more like prehistoric latchkey kids. New research ...

New treatments for male infertility could widen therapeutic options and possibly shift the treatment burden from women.

The Atacama Desert is one of the driest places in the world. Some areas get very little rain each year. The soil is salty, and in some places it even contains harmful elements like arsenic.