Epic Guide to the Lincoln Memorial in Washington DC including things to see, history, how to get to the park, and so muc ...

The Great Lakes Observing System wants to map the bottom of the Great Lakes, an undertaking that could locate hundreds of shipwrecks and help scientists form more accurate erosion and flooding models.

As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom. The effort, the marine scientist says, will pinpoint hundreds of ...

As executive director of the Great Lakes Observing System, she's leading a campaign to map every meter of the lakes' bottom. The effort, the marine scientist says, will pinpoint hundreds of underwater ...