The emerald ash borer is deadly to ash trees—and aggravating for homeowners. Here's how to know if your tree has emerald ash borer damage.

In Rio de Janeiro, Brazil, a crop of imported palms is flowering for the first and only time after being planted by renowned ...

Despite the vast numbers of animal species already identified, the natural world is still capable of springing a few ...

Let go of your idea of the rough-and-tumble Amazonian expeditions of the past as the Amazon enters a new era of exploration.

Sloths weren’t always sleepy tree-dwellers. In the Ice Age, they grew to the size of elephants and defended themselves with ...