The butterfly appears to be a hybrid between two known tiger swallowtail species — P. glaucus and P. canadensis — but because ...

Millions of years ago, giant rhinoceroses roamed the grasslands that stretched from Ukraine to Siberia. One species, ...

An Icy Expanse The Antarctic Desert may come as a surprise to many as it doesn't fit our conventional idea of sand and heat.

The African sun peeked over the horizon, silhouetting black camel thorn trees against its brassy glow. It was true, Chrissy ...

For decades, conservationists have pushed for changes to U.S. 64, a busy two-lane highway to the popular Outer Banks that ...

Listen for the subtle clicks of the eland bull's knees Behold the World's Smallest Monkey: The Pygmy Marmoset (02:17) National Treasure: The Giant Panda Steals Hearts (and Bamboo) at the National ...

There are many different types of investments within each bucket. Here are six types of investments you might consider for long-term growth, and what you should know about each. Note: We won’t ...

Neurons are cells in the body that are responsible for transmitting electrical signals through the nervous system. Different types of neurons affect the ability to move, which begins as an impulse, or ...

Since setting off earlier this month, Morrison has discovered two new sets of petroglyphs, including depictions of an oryx and gazelle — different types of antelope — etched into stone, as well as two ...

The largest number of imported species are birds – 4,985 different species are imported each year, led by Muscovy ducks, with over 6 million imported. Reptiles are next, with 3,048 species ...

Since setting off earlier this month, Morrison has discovered two new sets of petroglyphs, including depictions of an oryx and gazelle — different types of antelope — etched into stone ...