NATURE

These decorative mud balls can end up so shiny and colorful you’d assume they’re some sort of jewel. But you can actually make them at home.

The newly identified Atlantic manta ray is officially a distinct species.

Storms are used to set an ominous tone in spooky stories, even as they bring much-needed relief to parched fields or distressed humans on a hot day.

Blood, sweat, and tears (and a few other choice substances): It’s all on the menu.

Time Out surveyed 18,500 people around the world to find the greenest cities—here’s who topped the list.

EDDMapS’s database has more than 9 million records of invasive species. See which ones hit close to home.

If you want a hike that will test your limits, maybe you should visit (or relocate to) one of these states.

Whether you’re into stalactite symphonies, prehistoric shelters, or just love your trails dark and damp, these 10 U.S. underground wonders have you covered.

They’re not just for folks attempting the Appalachian Trail. Here’s how trekking poles can improve any hiker’s performance and fitness.

Here‘s one quick and easy way to get rid of spotted lanternflies when you don’t feel like stomping on them (and a few other methods, too).

Every second counts when it comes to earthquakes, and Android‘s AEA system is changing how people prepare for one of nature’s most unpredictable disasters.

Scientists in the Amazon have discovered a rare and puzzling bond between ocelots and opossums—two species typically seen as predator and prey.