Scientists prepare for year-long expedition to Arctic center

Researchers from more than a dozen nations prepared Friday to launch the biggest and most complex expedition ever attempted in the central Arctic—a yearlong journey through the ice they hope will improve the scientific ...

Image: Clarence Strait, Australia

The Copernicus Sentinel-2 mission takes us over Clarence Strait, a narrow body of water in Australia's Northern Territory.

Just how much of the Amazon is burning?

You've seen it all over the news: Fires in the Amazon and throughout South America have been raging for weeks, sparking dire predictions about climate change, criticism of the Brazilian government over increased deforestation, ...

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