Mammoth Cave in Kentucky stretches for more than 420 miles...

When scientists on a research vessel off the northwestern coast...

In the waters of Lake Malawi, a single group of...

A herd of mastodons, rhinoceroses, and giant deer once roamed...

A year-long experiment on a Central Valley dairy farm has...

Researchers have launched a database that tracks the maximum body...

Measuring around 1 inch in length with a wingspan of...

Having itchy skin is a familiar annoyance for some families,...

With names like the blue jay and the mallard, birds...

Acute diarrhea affects nearly 1 in 12 dogs annually in...

Life almost ended 252 million years ago. The end-Permian mass...