EarthCARE satellite to probe how clouds affect climate

Will clouds help cool or warm our world in the years ahead? The EarthCARE satellite will blast off Tuesday from California on a mission to find out, aiming to investigate what role clouds could play in the fight against climate ...

Why it's hard to predict the weather

Will it rain tomorrow or will it be sunny? Better data and more computing power have made weather forecasts more accurate.

Ritacuba Blanco: death of a Colombian glacier

Just a few months ago, the Colombian mountain peak of Ritacuba Blanco was covered in an unbroken layer of white ice and snow, just as it had been for as long as anyone can remember.

NASA scientists gear up for solar storms at Mars

In the months ahead, two of NASA's Mars spacecraft will have an unprecedented opportunity to study how solar flares—giant explosions on the sun's surface—could affect robots and future astronauts on the Red Planet.

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