A NASA spacecraft is stuffed with so much asteroid rubble from this week's grab that it's jammed open and precious particles are drifting away in space, scientists said Friday.
Space Exploration
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Under stress from a historic drought, large swathes of forest and wetlands in central South America known for their exceptional biodiversity have been ravaged by devastating fires.
Environment
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The population of Galapagos penguins and flightless cormorants, two species endemic to the islands, has seen a record increase, study results released Friday showed.
Ecology
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