Controversy leads to a better understanding of carbon cycling through a massive pool of organic matter dissolved in the Earth's oceans.
Features
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Improving Predictions of Arctic Sea Ice Extent
Scientists in the Sea Ice Prediction Network share and discuss their user-oriented forecasts of seasonal sea ice in a changing Arctic.
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Building Sandbars in the Grand Canyon
Annual controlled floods from one of America's largest dams are rebuilding the sandbars of the iconic Colorado River.
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Hubble's Legacy: The Pillars of Creation
The Pillars of Creation remains to this day Hubble's most iconic view of the cosmos.
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Gazing Toward the Universe's Edge: Hubble's Deep Field Legacy
Hubble's sensitive cameras give scientists a chance to witness the birth of galaxies.
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The Art and Science of Hubble's Images
How do Hubble images get their vivid colors and subtle shading?
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Hubble Turns 25
Breathtaking images, groundbreaking science, and a demonstration of humankind's ability to work in space have made Hubble a cultural icon for a quarter of a century.
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Why Does the Aurora Flare Up?
The spectacular auroras that circle Earth's geomagnetic poles and burst with colorful displays during geomagnetic storms have mystified humanity for millennia. Now scientists are uncovering their secrets.
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Los Angeles Gets Serious About Preparing for the “Big One”
A large earthquake in southern California could devastate Los Angeles. To help reduce the city’s risks, one scientist spent last year working in the LA mayor’s office.
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Human and Robotic Missions: To the Moon Again and Beyond
Robotic probes could help us collect samples from the Moon, potentially revealing the origins of our solar system.