Every organism needs nitrogen to survive and grow and many organisms do not have the ability to obtain nitrogen from molecular nitrogen (N2), the major component in the atmosphere because they lack…

NASA is going to measure changes in the height of the Greenland Ice Sheet and surrounding Arctic sea ice produced by a single season of summer melt, which will give researchers a more…

After oxygen in the atmosphere and ocean rose about 600 million years ago, earth got the first proliferation of animal life. Between then and now, numerous short lived biotic events took place when…

With 99% of the Earth's water unused, it might not seem like there could be a water scarcity issue, but water tends to be boom and bust. Many of the poorest regions don't have access to potable water…

Huge ice channels almost as tall as the  Eiffel tower have been discovered beneath a floating ice shelf in Antarctica. They are 250 meters high, stretch hundreds of kilometers along the ice…

New evidence suggests than no continental ice sheet formed during the Late Cretaceous Period more than 90 million years ago, when the climate was much warmer than it is today, though it has been…

Mild winters in Northern Europe are thanks to the Gulf Stream, which makes up part of those ocean currents spanning the globe that have always impacted the climate. Yet our climate is also…

The ice sheet on West Antarctica just got a little older - 20 million years or so. The findings indicate that ice sheets first grew on the West Antarctic subcontinent at the start of a global…

By analyzing a 150-year-old moss bank on the Antarctic Peninsula, researchers describe an unprecedented rate of ecological change since the 1960s, driven by warming temperatures.  The…

The annual melting of sea ice in the Arctic is approaching its yearly "minimum," the time when the floating ice cap covers less of the Arctic Ocean than at any other period during the year, and there…