Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

Walking on two legs has long been considered a milestone in human evolution and one of our most defining characteristics.

Purim is widely depicted as the most joyful of Jewish holidays — highlighted by celebrations that include costumes, skits and ...

In all interpretations, Holi is seen as a festive day to end conflicts, forgive the past and start a new season.