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Mystery in Russia as scientists are puzzled by giant craters that have formed in Siberia
Bolt of lightning hits the ocean sending an electrical current across the water, shocking swimmers and surfers
British government aims to speed up shale exploration three years after fracking operations caused earthquakes
Andrea Heydlauff joins Al Jazeera to discuss how low the tiger numbers have dropped and why
Sand Fire began Friday on drought-stricken grasslands east of Sacramento; only 50 percent contained by Sunday night
A Cold War-era plane is outfitted with high-tech equipment to track melting glaciers in the Arctic.
Six months after 30,000 tons of coal ash spilled into Dan River, Duke Energy has dropped the ball, environmentalists say
Derrick Pitts, chief astronomer at the Franklin Institute, explains the findings
State resources officials are aggressively policing the dire shortage by imposing fines on drought rule violators