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Why Dust from the Sahara Is Vital for the Amazon's Survival

Think the Amazon rainforest and the Sahara Desert are worlds apart? Think again. Scientists have only recently discovered the ...

SpaceX mission marks 99th rocket launch of the year in Florida. When is liftoff?

Weekday rocket launch is on the horizon. Weather permitting, SpaceX Falcon 9 may be visible in the sky beyond Cape Canaveral, Florida, after liftoff ...