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Surprise! Fish lurk in Antarctica's dark underworld

Barren deserts can host complex ecosystems

What caused this weird crack to appear in Michigan?

Scientists discover hidden Antarctic lake

Exploding stars leave radioactive clues beneath Earth's oceans

USGS: Risk of earthquakes in 2016 increases, especially in Oklahoma

Glimpses of the Caribbean's modern-day Pompeii

Expedition to drill to center of Earth ends without success

Deadly Pakistan quake creates new island

Volcanic eruption creates new island far south of Japan