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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Space, Time, Dinosaurs, and Other Essential Topics

Get the best of science—space missions, black holes, futuristic biology—delivered daily, minus the jargon.