Planet Earth
An old experiment, dusty and shelved for much of its
duration, finally let fall a drop of asphalt in front of cameras for the
first time.
In a warming world, what could cause temperatures to suddenly plummet across the Northern Hemisphere?
Declines in Arctic sea ice will affect wildlife on land as well as in the ocean.
Human societies are more aggressive during climate extremes.
A stunning blue meltwater lake that formed on the Arctic ice
in mid-July has disappeared, draining through a crack in the underlying
ice floe.
The Costa Rican volcano Irazú showed magma can travel on the “highway from hell.”
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