This week in science

Mars Megaripples and more: Understand the world through 8 incredible images

Jan. 13, 2022

Greta Thunberg´s Rainfrog (Pristimantis gretathunbergae)

Researchers made an unexpected discovery on the Martian surface the week of January 6–12, while new species living and extinct were found across Earth.

NASA/JPL/University of Arizona

Here are the biggest science stories of the week, told in 8 incredible images.

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