A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...

Stretching across 8 miles of cliffs in Colombia, this ancient rock art captures a vanished world of humans and Ice Age giants. New research suggests it was painted 12,600 years ago, when people lived ...

A friend recently shared how overwhelming it was to lose (and thankfully find) their pet, with no idea how to reach the nearly 4 million people living in Los Angeles. This -- and the slew of national ...