Greenland's melting ice sheet may be turning the island into a global hotspot for an essential ocean nutrient.
The impish little Devils Hole pupfish has pulled a fast one -- evolutionarily speaking.
Massive, earthquake-triggered landslides can ski-jump through the air, according to new research.
Does Earth belong to the first generation of habitable planets in the universe? One astrophysicist's work suggest it's possible, although we may never know for sure.
As if Mars' thin, frigid, dry air wasn't harsh enough, now scientists have found new evidence of acid fog altering the rocks near the Spirit Rover.
It's a virtual certainty that comets have delivered the building blocks of life to Europa's hidden ocean, according to a new study.
South Carolina sees the worst flooding in a millennium. What caused it -- and is this our future in a warming world?
Tree rings suggest that California's dwindling snowpack is truly epic.
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