CPW has discovered zebra mussel veligers in the Colorado River near New Castle, Mack Mesa at Highline State Park and Highline ...

These 16 fast-growing flowering trees may look tempting, but they often create headaches for homeowners. Here's why they're ...

Dust bathing among birds and mammals is done to deter parasites, regulate body heat, and remove excess skin debris and oils.

Biodiversity is in rapid decline, across the UK and globally. Butterflies are excellent for helping us understand these ...

A 225-million-year-old leg bone from Zambia is helping scientists rethink the size, diversity, and role of early dinosaurs.

The water monitor lizard, named Goose, snuck out of a home in Webster on Friday, and its whereabouts remained unknown Saturday evening, local officials said. Police conducted a limited search of the ...

If large creatures like elephants, giraffes and bison are allowed to thrive, they could alter habitats that allow for the ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

Fifty thousand years ago, North America's landscapes were alive with an astonishing array of enormous creatures. Massive woolly mammoths roamed vast icy plains, while dense forests echoed with the ...

Diet: Large mammals, birds, and reptiles, including caimans. The green anaconda is recognized as the heaviest snake in the world.

Laying eggs, rather than gestating offspring inside, freed dinosaurs from having to carry bigger and bigger babies for longer terms, as elephants and other large mammals do.

Around 50,000 years ago, North America was home to a diverse array of megafauna. Mammoths roamed the tundra, while towering ...