The best wildflower hiking trails in the U.S. Spring is in bloom. Here are our favorite places to frolic through fields of flowers, from the Pacific Northwest to the Appalachian Mountains.

Tomatoes were reviled for centuries—so how did we come to embrace them? This small New Jersey town claims to have played a major role.

This Harley-Davidson took the world’s first motorcycle ride powered by solar fuel. The bike motored along the shores of Switzerland’s Lake Zurich thanks to a new type of sustainable energy.

Scientists are making headway in pinpointing the cause of the condition reported in more than a dozen states. Here’s what we know so far about the illness—and how to protect your pet.

When humpbacks get stuck in fishing gear, their friends stick around to help. Are whales altruistic? A new scientific paper and a video present a compelling case the answer is “yes.” ...

New research reveals that people aren’t just imagining it—dogs and their owners share striking similarities, from matching hairstyles to mirrored temperaments. Hope, an Afghan hound, sports ...

May’s night sky is packed with astronomical events—find out when and where to look for meteor showers, ancient star clusters, and a rare cosmic lineup.