More people are travelling with their animal than ever. Here’s what you need to know from how to fly with your dog to the latest pet-focused services.

The climate and early human societies were changing quickly during the fall of our closest evolutionary relative—and are big clues to the causes of their demise.

Each area of Copenhagen offers its own distinct charm, from the historic canals of Christianshavn to the effortlessly cool streets of Nørrebro.

Cases in Texas and other states are on the rise, but most of the infected were not vaccinated. Here’s what to know about the very contagious disease and how immunity works.

The storyteller joins a team of African American divers on their worldwide quest to shed light on the untold history of the slave trade.

The Oscar-winning film tells the true story of a former Brazilian lawmaker who was abducted under Latin America’s longest lasting military dictatorship.

The number of teens and young adults taking GLP-1 drugs has increased by 594 percent—but scientists are still trying to understand the long-term effects.

New discoveries are breaking old assumptions about Viking women, rewriting history by restoring them to their rightful place on the battlefield.

The tomb of Pharaoh Thutmose II is the first royal crypt discovered in recent years, and scientists have new powerful tools to analyze it.

Photographer and National Geographic Explorer Rena Effendi learned that a little-known species was named after her late father, a renowned butterfly expert. The discovery took her on a journey across ...

These friendships often lasted for life, and scientists say they show how male primates can use kindness and affection to socially succeed.