In 2011, a grainy sonar image showed what looked like the Millennium Falcon at the bottom of the Baltic Sea. The identity of ...

Mudskippers are unique fish. They live both in water and on land. They walk with strong fins. They breathe through skin and mouth. Their eyes are on top of their heads. Mudskippers eat insects and ...

Emerging evidence suggests that plate tectonics, or the recycling of Earth's crust, may have begun much earlier than ...

An unusual federally designated wilderness, the Lee Metcalf Wilderness has four distinct units spread across the Madison Range and Spanish Peaks in Southwest Montana.

The Earth is full of riches. Once people discovered the importance of metals, they quickly found out where to get them from. The first mined metal may have been copper. When mixed with tin, this ...