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Overview: Susan Collins and Democratic candidate Troy Jackson, Maine's senate race has put rural Aroostook County in the spotlight.

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Details emerge on midair mayhem after pilot was allegedly stabbed by co-pilot

forces exit Iraq amid Iran war.

Brian Skerry, a National Geographic explorer and photographer, captured footage of a young great white shark aggressively snatching a fish right off a fishing line near Cape Cod.

WATCH: This air traffic controller flies to work

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A sperm whale cracked the hull of a yacht sailing off New Zealand, forcing four sailors into a day-and-night fight for survival on the high seas.

A powerful El Niño is already influencing extreme weather around the planet.

University of Florida law professor Derek Bambauer weighs in.

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military withdraws from Iraq over 2 decades after its invasion

NOAA is scaling back research

Protests in France as students demand better school conditions

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