The "Blue Marble" was the first photo of the whole Earth and the only ever taken by a human. Fifty years on, new images of ...

The mission, jointly operated by the United States and India, will measure minute changes to land, ice, and ecosystems around ...

The land beneath the former Aral Sea in Kazakhstan and Uzbekistan is rising and will continue to do so for many decades. Now, scientists have an explanation that involves the sea drying up.

The changes in ocean chemistry were gradual. The Archaean period lasted 1.5 billion years. This is more than half of Earth’s ...

The sun may rise every morning, but the amount of sunlight reaching Earth's surface can substantially vary over decades, ...

What roils beneath the Earth's surface may feel a world away, but the activity can help forge land masses that dictate ocean circulation, climate patterns, and even animal activity and evolution. In ...

Previous studies found that variations in solar energy reaching the Earth’s surface were particularly ... aspects of climate and environmental change but are also of significant importance ...

Nearly three-fourths of Earth is covered by oceans ... a high enough concentration of oxidized iron particles to turn the surface water green. Once all iron in the ocean was oxidized, free ...