During the total lunar eclipse early Friday morning, the moon will still be visible in the night sky, but its color will change. Here's when and how to see the Blood Moon.

Not only masters of camouflage, squids may also be experts in solar power. A fascinating study has uncovered that the pigments responsible for their remarkable color shifts could play a role in ...

This food-making process takes place in the leaf in numerous cells containing chlorophyll, which gives the leaf its green color. This extraordinary chemical absorbs from sunlight the energy that is ...