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of sunlight, then sets at
of moolight, then sets at
Despite some colder weather through midweek in Pittsburgh, the city will experience another warmup late in the week. more >
Chicago to NYC: Cold, Snow Will Fade to Spring Warmth
Experts Scrutinize US Power Grid's Vulnerability to Severe Weather
Boston Marathoners Excited by Ideal Forecast for 'Super Bowl of Running'
The first total lunar eclipse since 2011 graced the night sky into early Tuesday morning.
Here are just a few examples of how satellite technology and data are helping us learn about the Earth.