Friday was the vernal equinox, the first day of spring in the Northern Hemisphere, despite continued wintry conditions in a few places (I'm looking at you, New England).

Festivals and glimpses of the new season from around the world, as we shake off the winter and greet the spring

After being struck by three major earthquakes in the past month, rescue workers and volunteers across Mexico have been working around the clock, with the help of local and international teams of sniffer dogs and their handlers.

A collection of images of whales from around the world, on the 200th birthday of the Moby Dick author Herman Melville.

Reflecting on the naturalist’s observations, as President Obama celebrates 100 years of the National Park Service.

The producer Orla Doherty talks about malfunctioning submersibles, toxic lakes at the bottom of the ocean, and being literally out of her depth.

Workers who clip dogs’ nails and trim their fur say they still have to show up to their jobs, and they’re terrified for their health.

Could bears hold the key to better treatments for stroke, osteoporosis, and Alzheimer’s?

It got too cozy with its host.