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3 D Printing

3D printing long ago moved from being theoretical to a reality, and in recent years 3D printers have become cheaper to produce; several models are now available for sale, as well as designs for pro...

The bow of Titanic photographed in June 2004, by the ROV Hercules during an expedition returning to the shipwreck of the Titanic.

Shipwrecks

Shipwrecks are as old as seafaring humans.

Antarctica, earth, environment, antarctic mysteries, antarctic science, antarctic centenary, climate change, Antarctic ice, ice sheets, glaciers, ice shelves, antarctic life, roald amundsen, south pole anniversary

Exploration And Explorers

While past explorers like Christopher Columbus have name recognition, pl...

Mountains

Mountains can form from colliding tectonic plates and volcanic activity.

The Great Salt Lake. This photograph was taken by an astronaut aboard the International Space Station in the summer of 2001.

Lakes

Lakes can vary greatly in size, from small ones to the Great Lakes.

Research In Action

Images reveal the amazing world of science.

Aerial view of rainforest at the Araguaia River on the border of the states of Mato Grosso and GoiÃ s in Brazil

Rivers

Rivers erode the land and carry sediment into the ocean.

National Parks

There are 59 national parks in the United States.

Glaciers

Glaciers are giant rivers of ice.

Coral Reefs

Coral reefs support entire ecosystems of animals.

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