Satellite sees Tropical Cyclone Cilida north of Mauritius

Tropical Cyclone Cilida appeared as a large and powerful hurricane on imagery from NASA-NOAA's Suomi NPP satellite on Dec. 21. Cilida is located north of the island of Mauritius in the Southern Indian Ocean.

How microscopic machines can fail in the blink of an eye

How long can tiny gears and other microscopic moving parts last before they wear out? What are the warning signs that these components are about to fail, which can happen in just a few tenths of a second? Striving to provide ...

How a dust storm and hazardous air quality can harm your health

A major dust storm swept through Sydney and regional New South Wales this week. Red skies over Broken Hill on Wednesday night and Sydney on Thursday resembled those seen during intense bushfire activity and the massive 2009 ...

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