NASA climate scientist and astronaut Sellers dies at 61

Piers Sellers, a climate scientist and former astronaut who gained fame late in life for his eloquent commentary about the earth's fragility and his own cancer diagnosis, has died. He was 61.

US allowing work to restart at nuke dump three years after leak

The U.S. Energy Department authorized its contractor Friday to begin disposing of radioactive waste again at the nation's only underground repository, setting the stage for the first barrel to go below ground since a radiation ...

NASA tracking a stronger Tropical Storm Nock-Ten

NASA-NOAA's Suomi NPP satellite captured a visible image of Tropical Storm Nock-ten as it continued to move west toward the Philippines where it is locally called "Nina."

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