arctic : Science World Report

Jun 11, 2014 08:19 AM EDT

Arctic Animals from the Ice Age May Have Evolved in High Tibet

Scientists have found that evolution of present-day animals in the Arctic region may be intimately connected to ancestors that first adapted to the cold in the high altitude regions of the Tibetan Plateau.

Jun 10, 2014 01:59 PM EDT

Arctic Permafrost is Expanding Around Twelvemile Lake, But Not for Long with Climate Change

Scientists have made a surprising discovery. They've found that there is new permafrost forming around Twelvemile Lake in the interior of Alaska.

May 08, 2014 10:04 AM EDT

Arctic Study Sheds Light on Odd Tree-Ring Divergence Problem in Tracking Temperatures

Scientists have found that changes in tree-ring density in the Arctic may be evidence of changes in light intensity during the trees' growth. The findings have direct implications for the tree-ring divergence problem.

Apr 24, 2014 11:57 AM EDT

Arctic Waters at Risk from Oil Spills: New Report Reveals Necessity of Infrastructure

Ice is melting in the Arctic waters, opening them up to commercial activities. Now, researchers have revealed that the current oil response tools for a potential spill aren't nearly good enough to deal with an oil spill.

Apr 16, 2014 11:39 AM EDT

Droughts in West and Arctic Winters in the East: A 4000-Year Weather Pattern Explained

This past winter, the West (particularly California) experienced droughts and the East faced extreme and fluctuating winter weather. Researchers from across the world found interesting information about the jet stream pattern that causes this.

Feb 18, 2014 04:44 PM EST

Satellites See Arctic Surface Darkening Faster

Five new NASA Earth science missions will launch this year to expand our understanding of Earth's changing climate and environment.

Feb 17, 2014 11:43 AM EST

Climate Change Causes Diseases in Marine Mammals in the Arctic

Climate change may be impacting Arctic marine mammals. There's been an emergence of the disease Sarcocystis pinnipedi due to changing temperatures.

Jan 13, 2014 02:29 PM EST

From Europe and Asia, Countries Head to Svalbard to Monitor the Arctic

From Europe and Asia, 14 countries – encompassing a total of 26 institutions – have come together to set up an Arctic observatory that will combine data from the sea, the atmosphere and the ground to provide vital evidence about the rate of climate change.

Jan 08, 2014 03:55 PM EST

Thawing Permafrost Could Release Vast Carbon Deposits, Diseases

The frozen ground that covers a sixth of the planet is thawing due to climate change, releasing trapped carbon and the DNA of long-forgotten diseases.

Jan 06, 2014 05:38 PM EST

Polar Vortex Enters Northern United States, Imaged by Satellite

The polar vortex, which is currently bringing the coldest temperatures in decades to the U.S., is a whirling and persistent large area of low pressure, found typically over both North and South poles.

Dec 21, 2013 11:03 AM EST

Scientists Find Less Mercury in the Arctic Than Expected

For years, researchers have thought that if mercury is high and increasing in fish in the North American and European Arctic, then the same must be true of fish elsewhere in the Arctic. Now, though, scientists have found that this not the case for much of the continental Arctic.

Dec 20, 2013 11:14 PM EST

Global Hawk UAV Flies in Scientific Mission Over Canadian Arctic

A Global Hawk unmanned aircraft system flew as part of a mission to collect environmental data in the Canadian Arctic, organized by NASA Dryden, a team of international science organizations and Northrop Grumman