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Today's Antarctic Region Once as Hot as California, Florida
Apr. 21, 2014 — Parts of ancient Antarctica were as warm as today's California coast, and polar regions of the southern Pacific Ocean registered 21st-century Florida heat, according to scientists using a new ... full story -
Krypton Used to Accurately Date Ancient Antarctic Ice
Apr. 21, 2014 — Scientists have successfully identified the age of 120,000-year-old Antarctic ice using radiometric krypton dating -- a new technique that may allow them to locate and date ice that is more than a ... full story -
More Questions Than Answers as Mystery of Domestication Deepens
Apr. 21, 2014 — New research on domestication raises more questions than it has answered. Scientists have outlined some of the key questions that have been raised about this pivotal event in human ... full story -
Ancient DNA: Barnyard Chickens Living Just a Few Hundred Years Ago Looked Far Different from Today's Chickens
Apr. 18, 2014 — Ancient DNA adds a twist to the story of how barnyard chickens came to be. Analyzing DNA from the bones of chickens that lived 200-2,300 years ago in Europe, researchers report that some of the ... full story -
Vitamin B3 Might Have Been Made in Space, Delivered to Earth by Meteorites
Apr. 17, 2014 — Ancient Earth might have had an extraterrestrial supply of vitamin B3 delivered by carbon-rich meteorites, according to a new analysis. The result supports a theory that the origin of life may have ... full story -
There's Something Ancient in the Icebox: Three-Million-Year-Old Landscape Beneath Greenland Ice Sheet
Apr. 17, 2014 — Scientists were greatly surprised to discover an ancient tundra landscape preserved under the Greenland Ice Sheet, below two miles of ice. This finding provides strong evidence that the ice sheet has ... full story -
Methane Climate Change Risk Suggested by Proof of Redox Cycling of Humic Substances
Apr. 17, 2014 — Disruption of natural methane-binding process may worsen climate change, scientists have suggested, painting a stark warning on the possible effects of gases such as methane -- which has a greenhouse ... full story -
Study Shows Lasting Effects of Drought in Rainy Eastern U.S.
Apr. 17, 2014 — This spring, more than 40 percent of the western U.S. is in a drought that the USDA deems "severe" or "exceptional." The same was true in 2013. In 2012, drought even spread to the ... full story -
Air Temperature Influenced African Glacial Movements at Height of Last Ice Age
Apr. 16, 2014 — Changes in air temperature, not precipitation, drove the expansion and contraction of glaciers in Africa's Rwenzori Mountains at the height of the last ice age, according to research. The ... full story -
Crucial New Information About How the Ice Ages Came About
Apr. 16, 2014 — Scientists have discovered new relationships between deep-sea temperature and ice-volume changes to provide crucial new information about how the ice ages came about. The researchers found, for the ... full story -
Odds That Global Warming Is Due to Natural Factors: Slim to None
Apr. 11, 2014 — An analysis of temperature data since 1500 all but rules out the possibility that global warming in the industrial era is just a natural fluctuation in the earth’s climate, according to a new ... full story -
Climate Paradox Deciphered from the Miocene Era
Apr. 11, 2014 — A supposed climate paradox from the Miocene era has been deciphered by means of complex model simulations. When the Antarctic ice sheet grew to its present-day size around 14 million years ago, it ... full story -
Appearance of Night-Shining Clouds Has Increased
Apr. 11, 2014 — First spotted in 1885, silvery blue clouds sometimes hover in the night sky near the poles, appearing to give off their own glowing light. Known as noctilucent clouds, this phenomenon began to be ... full story -
Greenland Ice Cores Show Industrial Record of Acid Rain, Success of US Clean Air Act
Apr. 11, 2014 — Detailed ice core measurements show smog-related ratios leveling off in 1970, and suggest these deposits are sensitive to the same chemicals that cause acid rain. By analyzing samples from the ... full story -
Rare Leafcutter Bee Fossils Reveal Ice Age Environment at the La Brea Tar Pits
Apr. 9, 2014 — The La Brea Tar Pits are celebrated for saber-toothed cats and mastodons. The site's insect collection is also of great significance. Recent examination of fossil leafcutter bee nest cells ... full story -
Conventional Theories About Titanic Disaster Put on Ice: Risk of Icebergs Higher Now Than in 1912
Apr. 9, 2014 — Scientists have dispelled a long-held theory that the Titanic was unlucky for sailing in a year with an exceptional number of icebergs and say the risk of icebergs is actually higher now. Previously ... full story -
Study Tests Theory That Life Originated at Deep Sea Vents
Apr. 9, 2014 — One of the greatest mysteries facing humans is how life originated on Earth. Scientists have determined approximately when life began, roughly 3.8 billion years ago, but there is still intense debate ... full story -
What's Going on Under the Ice? Researchers Take a Peek
Apr. 4, 2014 — Most people are fed up with winter, but some scientists love it. Ice and snow give them a chance to do something few others can: Study the Great Lakes under a cover of ice. The GLRC's under-ice ... full story -
Amborella, a Record of the Evolution of Flowering Plants
Apr. 4, 2014 — The sole survivor of the oldest line of flowering plants, Amborella is the last witness of the great biological success these plants have had over millions of years. The sequencing of its genome can ... full story -
Why Arctic Ice Is Disappearing More Rapidly Than Expected: River Ice Reveals New Twist on Arctic Melt
Apr. 2, 2014 — A new study has discovered unexpected climate-driven changes in the mighty Mackenzie River's ice breakup. This discovery may help resolve the complex puzzle underlying why Arctic ice is ... full story
- Today's Antarctic region once as hot as California, Florida
- Krypton used to accurately date ancient Antarctic ice
- More questions than answers as mystery of domestication deepens
- Vitamin B3 might have been made in space, delivered to Earth by meteorites
- There's something ancient in the icebox: Three-million-year-old landscape beneath Greenland Ice Sheet
- Methane climate change risk suggested by proof of redox cycling of humic substances
- Study shows lasting effects of drought in rainy Eastern U.S.
- Air temperature influenced African glacial movements at height of last ice age
- Crucial new information about how the ice ages came about
- Odds that global warming is due to natural factors: Slim to none
- Climate paradox deciphered from the Miocene era
- Appearance of night-shining clouds has increased
- Greenland ice cores show industrial record of acid rain, success of US Clean Air Act
- Rare leafcutter bee fossils reveal Ice Age environment at the La Brea Tar Pits
- Conventional theories about Titanic disaster put on ice: Risk of icebergs higher now than in 1912
- Study tests theory that life originated at deep sea vents
- What's going on under the ice? Researchers take a peek
- Amborella, a record of the evolution of flowering plants
- Why Arctic ice is disappearing more rapidly than expected: River ice reveals new twist on Arctic melt
- Remotely operated aircraft successfully tested as tool for measuring changes in polar ice sheets
- Natural variation: Warm North Atlantic Ocean promotes extreme winters in U.S. and Europe
- Ancient nomads spread earliest domestic grains along Silk Road: Earliest known East-West interaction pushed back 2,000 years
- Ancient stormy weather: World's oldest weather report could revise bronze age chronology
- Corals don’t lie: Centuries of rising sea levels and temperature data revealed
- Arctic melt season lengthening, ocean rapidly warming
- Temperature fluctuations: Atlantic Ocean dances with the sun and volcanoes
- Causes and consequences of global climate warming 56 million years ago
- Famous paintings help study Earth’s past atmosphere
- Ancient Indonesian climate shift linked to glacial cycle
- Computer models solve geologic riddle millions of years in the making
- Deep ocean current may slow due to climate change
- Seal teeth offer glimpse into the environmental past of Russia's Lake Baikal
- Dust in the wind drove iron fertilization during ice age
- Geographers create 'easy button' to calculate river flows from space
- The frozen truth about glaciers, climate change and our future
- Little Foot is oldest complete Australopithecus, new stratigraphic research shows
- Impacts of climate change in Switzerland: Adaptation and climate change mitigation must go hand in hand
- More accurate data on thousands of years of climate change
- Most of the sand in Alberta's oilsands came from eastern North America, study shows
- Sea-level rise threatens UNESCO World Heritage sites
- New data confirms Arctic ice trends: Ice-free season getting longer by five days per decade
- 10,000 years on the Bering Land Bridge: Ancestors of Native Americans paused en route from Asia
- Big thaw projected for Antarctic sea ice: Ross Sea will reverse current trend, be largely ice free in summer by 2100
- Working on thinning ice: Custom-designed radar measures Antarctic ice with millimeter accuracy
- Climate change: No warming hiatus for extreme hot temperatures
- Whales, ships more common through Bering Strait
- Previous rapid thinning of Pine Island Glacier sheds light on future Antarctic ice loss
- Climate change: Unstable Atlantic deep ocean circulation may hasten 'tipping point'
- NASA satellites see Arctic surface darkening faster
- Deep freeze in the Great Lakes: Lakes nearly frozen completely for first time in 20 years
- Evolution stuck in slime for a billion years
- New light shed on the genetic history of the European beaver
- Increase in Arctic cyclones is linked to climate change
- Extreme weather images in the media cause fear and disengagement with climate change
- Ancient settlements and modern cities follow same rules of development
- Icing wind tunnel blows cold and hard to study ice on wings, turbine blades
- RNA sequencing of 750-year-old barley virus sheds new light on the Crusades
- A look back and ahead at Greenland's changing climate
- 'Severe reduction' in killer whale numbers during last Ice Age
- Sucker-footed fossils broaden bat map: Fossilized teeth show bat family belongs to primitive lineage, had broad range
- Dramatic thinning of Arctic lake ice cuts winter ice season by 24 days compared to 1950
- Greenland's fastest glacier reaches record speeds
- Climate study projects major changes in vegetation distribution by 2100
- Disappearing snow increases risk of collapsing ice shelves in Antarctica
- New NASA laser technology reveals how ice measures up
- Living cold-water coral reef discovered off Greenland
- Biomarker for stress hormones in polar bears, wildlife affected by global climate change
- Rainforests in Far East shaped by humans for the last 11,000 years
- Changing climate: How dust changed the face of Earth
- Arctic inland waters emit large amounts of carbon
- Climate change threatens Winter Olympics: Only six of previous Winter Games venues to be cold enough by late-century
- North and Tropical Atlantic Ocean bringing climate change to Antarctica
- Polar bear diet changes as sea ice melts
- Great lakes evaporation study dispels misconceptions, points to need for expanded monitoring program
- Ice-loving sea anemone discovered beneath the Ross Ice Shelf
- 'Standing on a comet': Rosetta mission will contribute to space weather research
- Meltwater from Tibetan glaciers floods pastures
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