People stay up at night to enjoy the opening of the flowers of the tropical wonder Epiphyllum petalum, better known by its ...

Humans are causing enormous damage to the Earth, and about 1 million plant and animal species are now at risk of extinction.

You saw a striking bird with a red head, did you? You wonder what it is. That shouldn't be too hard to figure out, should it?

Pope Francis has called on parents of children who identify as LGBT to "accompany" them and "not hide in an attitude of condemnation." Speaking before a general audience Wednesday, the pontiff ...