Nature doesn’t hold back when it comes to color and some of the most dazzling displays can be found in the animal kingdom.

Eventually, researchers caught several "transparent" nudibranchs, or sea slugs, that didn't look like anything they'd seen before. They looked closer at these animals, analyzed their DNA and realized ...

Tomatoes are nightshades, a group of plants that also includes eggplants, potatoes and peppers. Nightshades, also known as Solanaceae, produce bitter compounds called alkaloids, which help fend off ...