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Read science articles on the ice age, glaciation and climatology. Discover the connection between ice ages and global warming.
Updated: 2 hours 21 min ago

Geologic evidence is the forerunner of ominous prospects for a warming earth

Thu, 10/12/2017 - 10:48
While strong seasonal hurricanes have devastated many of the Caribbean and Bahamian islands this year, geologic studies on several of these islands illustrate that more extreme conditions existed in the past. A new analysis shows that the limestone islands of the Bahamas and Bermuda experienced climate changes that were even more extreme than historical events.

Carbon dioxide levels lower than thought during super greenhouse period

Thu, 10/12/2017 - 09:37
Researchers adds to the understanding of Earth's historic hyperthermal events to help explain the planet's current warming trend.

Formation of coal almost turned our planet into a snowball

Mon, 10/09/2017 - 14:49
While burning coal today causes Earth to overheat, about 300 million years ago the formation of that same coal brought our planet close to global glaciation. For the first time, scientists show the massive effect in a new study.

Mars study yields clues to possible cradle of life

Fri, 10/06/2017 - 14:49
The discovery of evidence for ancient sea-floor hydrothermal deposits on Mars identifies an area on the planet that may offer clues about the origin of life on Earth. The research offers evidence that these deposits were formed by heated water from a volcanically active part of the planet's crust entering the bottom of a large sea long ago.

12,000 years ago, Florida hurricanes heated up despite chilly seas

Thu, 10/05/2017 - 11:50
Category 5 hurricanes may have slammed Florida repeatedly during the chilly Younger Dryas, 12,000 years ago. The cause? Hurricane-suppressing effects of cooler sea surface were out-weighed by side effects of slowed ocean circulation.

Ancient humans left Africa to escape drying climate

Wed, 10/04/2017 - 14:12
Humans migrated out of Africa as the climate shifted from wet to dry about 60,000 years ago, according to new paleoclimate research. What the northeast Africa climate was like when people migrated from Africa into Eurasia between 70,000 and 55,000 years ago is still uncertain. The new research shows around 70,000 years ago, the Horn of Africa climate shifted from a wet phase called 'Green Sahara' to even drier than the region is now.

Scale of human impact on planet has changed course of Earth's history, scientists suggest

Mon, 10/02/2017 - 09:52
The significant scale of human impact on our planet has changed the course of Earth history, an international team of scientists.

Antarctica: Return of the Weddell polynya supports Kiel climate model

Fri, 09/29/2017 - 08:33
Currently, winter has still a firm grip on Antarctica. At this time of the year, the Weddell Sea usually is covered with a thick layer of sea ice. In spite of the icy temperatures in the region, satellite images depict a large ice-free area in the middle of the ice cover.

Mapping the Tasmanian tiger's mysterious loss from mainland

Thu, 09/28/2017 - 08:42
Ancient DNA extracted from fossil bones and museum specimens has shed new light on the mysterious loss of the Tasmanian tiger (thylacine) from Australia's mainland.

Did rapid sea-level rise drown fossil coral reefs around Hawaii?

Thu, 09/28/2017 - 08:42
Investigations to predict changes in sea levels and their impacts on coastal systems are a step closer, as a result of a new international collaboration.

New iceberg calved from Pine Island Glacier

Wed, 09/27/2017 - 09:45
A new iceberg calved from Pine Island Glacier -- one of the main outlets where ice from the interior of the West Antarctic Ice Sheet flows into the ocean.

Antarctica: The wind sublimates snowflakes

Mon, 09/25/2017 - 14:14
A team of researchers has collected new data that shows a significant decrease in snow precipitation close to the ground in Antarctica, which has an impact on the ice sheet surface mass balance.

Getting the measure of mud

Mon, 09/25/2017 - 09:47
For the first time, researchers have been able to use mud deposited on the depths of the ocean floor to measure changes in the speed of deep-sea currents. Using mud as a current meter could help scientists to identify fluctuating patterns in ocean current speeds stretching back into prehistory, enabling climate change researchers to get a better sense of how currents behave over time.

Fly away home? Ice age may have clipped bird migration

Wed, 09/20/2017 - 13:46
The onset of the last ice age may have forced some bird species to abandon their northerly migrations for thousands of years, says new research led by an ornithologist. The study challenges a long-held presumption that birds merely shortened their migratory flights when glaciers advanced south to cover much of North America and northern Europe about 21,000 years ago.

10,000 year-old DNA proves when fish colonialized our lakes

Wed, 09/20/2017 - 09:45
DNA in lake sediment forms a natural archive displaying when various fish species colonized lakes after the glacial period. Scientists' analyses of the prevalence of whitefish DNA in sediment reveal that the whitefish came to Lake Stora Lögdasjön in Västerbotten already 10,000 years ago, whereas Lake Hotagen in Jämtland had its whitefish only 2,200 years ago.

Gravity waves influence weather and climate

Wed, 09/20/2017 - 09:00
Gravity waves form in the atmosphere as a result of destabilizing processes. The effects of gravity waves can only be taken into consideration by including additional special components in the models.

Atmospheric effects of Arctic snowmelt

Wed, 09/20/2017 - 09:00
Researchers are exploring the changing chemistry of the Arctic's atmosphere to help answer the question of what happens as snow and ice begin to melt.

End-of-summer Arctic sea ice extent is eighth lowest on record

Tue, 09/19/2017 - 15:01
Arctic sea ice appeared to have reached its yearly lowest extent on Sept. 13, scientists have reported. Analysis of satellite data showed that at 1.79 million square miles (4.64 million square kilometers), this year's Arctic sea ice minimum extent is the eighth lowest in the consistent long-term satellite record, which began in 1978.

Studies of ‘Crater Capital' in the Baltics show impactful history

Mon, 09/18/2017 - 08:28
Studies of craters in the Baltics (Estonia) are giving insights into the many impacts that have peppered the Earth over its long history. In southeastern Estonia, scientists have dated charcoal from trees destroyed in an impact to prove a common origin for two small craters, named Illumetsa. A third submarine crater located on the seabed in the Gulf of Finland has been measured and dated with with precision.

Arctic sea ice once again shows considerable melting

Fri, 09/15/2017 - 09:36
This September, the extent of Arctic sea ice shrank to roughly 4.7 million square kilometres, scientists have determined.