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Satellite Observes Massive Ocean Migration
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Published December 4, 2019
Every night, under the cover of darkness, countless small sea creatures swim from the ocean depths to feed near the surface, then descend out of sight again before daybreak.
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Porpoiseful Ice Studies
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Published November 23, 2019
Hundreds of scientific papers have come out of NASA’s Operation IceBridge, which ended this week.
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Making a Connection in the Kingdom of Tonga
Published November 19, 2019
Against the odds, the landmass that exploded and oozed into existence in early 2015 is now nearly five years old.
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Permafrost Becoming a Carbon Source Instead of a Sink
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As global and regional warming continues, winter emissions of carbon dioxide from Arctic lands are offsetting what plants absorb in the summer.
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Haze Smothers Northern India
Published November 4, 2019
Air pollution has reached hazardous levels in some areas.
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Assateague on the Move
Published October 9, 2019
Assateague, Chincoteague, and Wallops provide a rare example of overlapping barrier islands. All of them are constantly in motion.
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Tracking “Blue Tear” Blooms
Published October 7, 2019
Satellites can track Noctiluca scintillans, a type of phytoplankton that produce a bioluminescent glow at night.
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2019 Arctic Sea Ice Minimum Is Second Lowest
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Published September 23, 2019
The long-term trend for Arctic sea ice extent has been definitively downward.
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Edge of the Ice
Published September 28, 2019
Summer snowmelt along the flank of Greenland’s Humboldt Glacier exposes layers of ice from ancient climate periods.
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Circling the Serengeti
Published September 9, 2019
These African plains host the largest natural animal migration in the world.
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Nearing the Limit of Retreat
Published August 29, 2019
One branch of Alaska’s Columbia Glacier seems to have retreated as far as it can, while the other still has some distance to go.
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Flying through a Fire Cloud
Published August 9, 2019
A rare flight through a thunderstorm triggered by a wildfire has atmospheric scientists buzzing.
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