Scientists studying the atmosphere above Barrow, Alaska, have discovered unprecedented levels of molecular chlorine in the air, a new study reports

Permafrost microbe discovered growing at –15°C, the coldest temperature ever reported for bacterial growth.

Berkeley Lab research could lead to a better understanding of the Arctic ecosystem’s impact on the planet's climate.

Scientists are setting sail on August 25 to study ocean acidification in the Arctic and what this means for the future survival of marine and terrestrial organisms.