What is a krewe? And why do we eat king cake? Knowing these essential Mardi Gras facts will make the celebration all the more ...

For party animals, few holidays match the joy (and mayhem) of Mardi Gras. If you count yourself among them, you know that the vibrant New Orleans tradition takes place on Fat Tuesday—that’s March 4 ...

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