Scientists make gains in mystery of missing snow

A major field project high in Colorado's Rocky Mountains has enabled scientists to produce the most comprehensive examination to date of how snow sublimates in a mountain environment.

NASA mission flies over Arctic to study sea ice melt causes

It's not just rising air and water temperatures influencing the decades-long decline of Arctic sea ice. Clouds, aerosols, even the bumps and dips on the ice itself can play a role. To explore how these factors interact and ...

Video: Fly across Nili Fossae with ESA's Mars Express

Mars's surface is covered in all manner of scratches and scars. Its many marks include the fingernail scratches of Tantalus Fossae, the colossal canyon system of Valles Marineris, the oddly orderly ridges of Angustus Labyrinthus, ...

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