The A Whale, whose owner claims can skim up to 50,000 barrels of oil per day, is drawing some skepticism.
Behind each video feed of oil billowing out of the bottom of the Gulf of Mexico is a robot about the size of a minibus built at an industrial center in this Louisiana oil town.
Two new studies throw some doubt into the conventional wisdom of what the Earth was like when dinosaurs roamed it
This month, a slow-swimming robot known as Spray will attempt to glide roughly 2,484 nautical miles across the Atlantic, from the southern tip of Greenland to the coast of Spain.
Is global warming really a threat?
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