Identifying arthropods is a challenge—even for someone who spends his days identifying Australian ground spiders at the museum. Get tips for making the sorting process easier.

Journey to El Salvador for a visit to El Imposible, where you have to go on horseback or foot to see the entire forest. This national park has been called the "Jewel of Central America."

In her search for answers, this doctoral candidate mostly came up with more questions—a result that made her happy. Learn why she thinks the best part of discovery is following a trail of questions.

Because dragonfly wings tend to lose their iridescence soon after they are killed, hazardous chemicals are sometimes used to "fix" the colors before they fade. But there are safer alternatives.

For 140 million years giant dinosaurs called sauropods roamed Earth. Help students investigate the success of the largest land animals ever with this practical and printable exhibition guide for educators.