In honor of Black Cat Appreciation Day, Sunday, August 17, we created a list of seven black cat products. With photos.

Discover how this Madagascar spider recycles silk proteins to create the largest and strongest webs in nature.

A recent study from England shines a light on bird extinction and the potential for ecosystem collapse around the world as a result.

Find out what millipedes eat to help ecosystems thrive and which animals prey on these many-legged decomposers.