Even as the sport’s top athletes compete for gold at the Winter Olympics in Pyeongchang, a scientific mystery remains unsolved.

Soft batteries and water-walking robots are among the many creations made possible by studying animals and plants.

An archaeologist in Sweden spent three years traveling in vessels built like those from 1,000 years ago. He discovered lost sea routes, hidden trade harbors and new respect for Viking seamanship.

More than 2,000 navigational beacons, big and small, oversee the nation’s 60,000-mile-long coast. Now they need an upgrade.

A Danish zoo is asking owners of companion animals nearing life’s end to instead donate them as food for captive lynxes, lions and other carnivores.

After Peter Listro was diagnosed with blood cancer, his family decided to make a virtual avatar they can talk to after his death.

One pet octopus suddenly became more than four dozen. They went viral. Then it all went south.

Mushrooms in 19th-century watercolors: The paintings of a self-taught female mycologist are featured at the New York State Museum.

A coot’s nest reveals that what humans throw away doesn’t really go away.

The best-selling author “got a little emotional” while talking with The Times about the world’s deadliest infectious disease. Listen to the conversation.

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

The best-selling author chatted with The Times’s global health reporter about the past, present and troubling future of the world’s deadliest infectious disease.

Max Park is a longtime speedcubing world record holder — for the 3x3x3 cube, his best official time is 3.13 seconds. Let's show you how he does it.

People interpret a dog’s emotions based on its situation and have “a big blind spot” for the actual animal, a new study found.

Two more people are reported dead from the disease, and dozens are in isolation, as the outbreak grows.

Thousands of protesters gathered in Washington for Stand Up for Science, a rally in response to President Trump’s federal-funding and job cuts.