This week in science

NASA ends Geotail mission and more: Understand the world through 7 images

by Robin Bea
An artist's concept of the Geotail spacecraft.
NASA

NASA declared an end to a 30-year space mission the week of January 11–18, as researchers found cause for hope and concern in ice sheets in Greenland and the Antarctic.

Boy_Anupong/Moment/Getty Images

Here are the week’s biggest science stories, told in 7 incredible images

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