Purple Earth Hypothesis suggests Earth was once a purple planet. Early microbes used retinal, not chlorophyll, for ...

Researchers at the University of Tsukuba have reported on the structure and light energy transfer efficiency of a protein complex crucial to the photosynthesis of purple sulfur bacteria thriving in ...

Vanderpump Rules alum Katie Maloney just set the record straight on her friendship with Ariana Madix. Get the details.

Losing weight is becoming increasingly challenging due to our fast-paced and hectic lifestyles. While numerous diet plans and ...

This February brings the start of Pisces season, the last quarter moon in Sagittarius and more. Find out your sign's ...