Melting Arctic opens new passages for invasive species

For the first time in roughly 2 million years, melting Arctic sea ice is connecting the north Pacific and north Atlantic oceans. The newly opened passages leave both coasts and Arctic waters vulnerable to a large wave of ...

Smithsonian scientists solve 'sudden death at sea' mystery

Mass strandings of whales have puzzled people since Aristotle. Modern-day strandings can be investigated and their causes, often human-related, identified. Events that happened millions of years ago, however, are far harder ...

High CO2 spurs wetlands to absorb more carbon

(Phys.org) —Under elevated carbon dioxide levels, wetland plants can absorb up to 32 percent more carbon than they do at current levels, according to a 19-year study published in Global Change Biology from the Smithsonian ...

Sloth bear cub debuts at the Smithsonian's National Zoo

The daring and adventurous sloth bear cub, Hank, made his public debut at the Smithsonian's National Zoo today. He is the first sloth bear born at the Zoo in seven years. Born Dec. 19, 2012, Hank and his mother, Hana, have ...

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