Matching sets of footprints discovered in Africa and South America reveal that dinosaurs once traveled along a type of highway 120 million years ago before the two continents split apart ...

*Refers to the latest 2 years of stltoday.com stories. Cancel anytime. Two dinosaur tracks from the Koum Basin in Cameroon can be seen in what was once a basin 120 billion years ago. Matching sets ...

Two dinosaur tracks from the Koum Basin in Cameroon can be seen in what was once a basin 120 billion years ago. Matching sets of footprints discovered in Africa and South America reveal that ...

When a bird's presence in the U.S. only occurs within a U.S. territory such as Puerto Rico, the name of the territory is noted alongside the bird's name. Unless otherwise noted, the species listed ...

Peale's falcon (Falco peregrinus pealei) is a subspecies of the peregrine falcon. This subspecies was first identified by the ornithologist Robert Ridgway in 1873, named in honor of Titian Ramsay ...