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The milky green and blue phytoplankton developed where warmer, saltier coastal waters from the subtropics meet colder, fresher waters flowing from the south.
Published Dec 21, 2018
As NASA's latest care package heads toward the International Space Station, it traveled over beautiful Earth landscapes—from scenic snowscapes to desolate deserts.
Published Dec 19, 2018
Hydroxyl radicals are critical for offsetting concentrations of methane in the air.
Published Dec 7, 2018
It was cold across the eastern part of North America, but the opposite was true in other parts of the world.
Published Dec 5, 2018
The Hiawatha Impact Crater in northwest Greenland was detected through some creative detective work and innovative instruments that can see through the ice.
Published Nov 30, 2018