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The Sentinel-6/Jason-CS satellite mission will add to a long-term sea level dataset that's become the gold standard for climate studies from orbit.

A team of engineers in the U.S. and Europe subjected the Sentinel-6 Michael Freilich spacecraft to a battery of trials to ready it for liftoff later this year.

Satellite data on the movement of water on Earth helps to improve the accuracy of moisture maps and forecasts.

The shape of the ground beneath Denman Glacier, which is melting from the bottom up, makes it particularly vulnerable to seawater intrusion.

Greenland and Antarctica are melting—but how quickly and which areas are most affected? Nearly 20 years of satellite data provide key insights into these questions.

The two regions have lost 6.4 trillion tons of ice in three decades; unabated, this rate of melting could cause flooding that affects hundreds of millions of people by 2100.