Geophysicist Milton Garces uses infrasonic recording technology to listen in on activity in Kilauea’s lava tubes.

One of the most remarkable pieces of equipment designed by Widder is the Eye-in-the-Sea, a unique, unobtrusive camera that sits on the sea bottom and records the never-before-seen behavior of marine animals.

Scientists working in Hawaii are using more sophisticated tools than ever -- like tiltmeters and thermal imagers -- to try to predict the behavior of volcanoes.

Delicate yet amazingly sturdy, strong yet stunningly beautiful, a spider's silk is a mysterious material that brings life and death.

Should cloning be used to save lions? That is the question some conservationists are pondering as lion populations dwindle worldwide.

Each spring and fall billions of birds hit the "flyways," atmospheric roads for annual migrations, which can stretch thousands of miles.