Tiny Sea Bird Makes Longest Annual Migration
The Arctic tern covered 96,000km (59,650 miles) in its journey to its winter home and back again.
Ice Melt in Antarctica Could Double Sea Level Rise
New research takes into account how atmospheric temperatures in Antarctica will cause more ice melt and sea level rise than ocean warming.
Geoengineering Won't Save Us From Sea Level Rise
A new study explains why geoengineering sea level rise would fail spectacularly.
Water Bears Revived After Being Frozen for 30 Years
The tiny creatures can also survive liquid nitrogen and boiling water.
Henry Worsley, British Explorer, Dies on Antarctic Trek
Former British Army officer fell ill just 30 miles short of his destination.
Watch: What Is an Explorer in the 21st Century?
On a journey to Antarctica, we asked our captain, crew and fellow passengers what makes a modern explorer.
The Issue: Antarctic Exploration and Germany at War
Newsweek Europe editor Matt McAllester takes us inside this week's issue.
The Big Melt: The Last Antarctic Explorers Seek Answers
After eons of change measured in geologic time, Antarctica is now rapidly transforming—and sitting on a treacherous ledge.
COP21: How the Paris Climate Talks Could Succeed
It'll take more than just the U.S. toeing the line.
Antarctica Is Gaining Ice. Here's Why That's Not Actually Good News
Scientists who study sea level rise have a brand new mystery on their hands.
Two Numbers: Antarctic Ice Shelves Could Collapse by 2100, Unless a Lot Changes
We can save the planet if world powers commit to peaking global emissions around mid-century and reducing them steadily thereafter.
King Crabs Are Invading Antarctica, Thanks to Warming Oceans
The migration of crabs to the shelf would likely devastate the region's environment.
As Sea Ice Melts, Antarctic Seafloor Life Flourishes
The phenomenon could act as a "negative feedback" for climate change.
All of Antarctica Might Melt, Drowning Major Cities
"Unrestrained fossil fuel burning means giving up many if not most of the major cities of the world. It means giving up Florida."
50-Million-Year-Old Sperm Found in Antarctica
The find may shed light on the evolution of worms and leeches.
Requiem for the Cryosphere: Huge Antarctic Ice Shelf Is About to Disintegrate
The 10,000-year-old mass of ice will be gone in the next five years, scientists say.
Antarctic Ice Melting May Be Worse Than Thought
The study suggests an important ice shelf may be being bathed in warm water.
Putin Makes His First Move in Race to Control the Arctic
Russia is deploying troops and testing missiles in the polar region, poised to commandeer its massive energy reserves
Antarctica Ice Sheet Sheds an Everest Every 2 Years
The melt rate has tripled in just the past 10 years.
How Global Warming Threatens Antarctic Animals
In western Antartica, an increase in glacial collisions is destroying ecological diversity
Antarctic Ice Report Shows the Future We Can't Change
Those who live on coastlines—or their children and their children's children, more accurately—will have to contend with an unprecedented rise in sea levels
Scientists Develop Antarctic Ice Dating Technique Using Krypton
The method could provide clues to the Earth's climate in the past and predict future climate patterns