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Top Headlines

Cluster of Alaskan Islands Could Be Single, Interconnected Giant Volcano

Dec. 3, 2020 — A small group of volcanic islands in Alaska's Aleutian chain might be part of a single, undiscovered giant volcano, say scientists. If the researchers' suspicions are correct, the newfound volcanic ...

New Theory on 'Venus' Figurines

Dec. 1, 2020 — One of world's earliest examples of art, the enigmatic `Venus' figurines carved some 30,000 years ago, have intrigued and puzzled scientists for nearly two centuries. Now a researcher believes he's ...

How Stable Is the Antarctic Ice Sheet?

Nov. 30, 2020 — As temperatures rise due to climate change, the melting of polar ice sheets is accelerating. An international team of scientists has now examined the dynamics of the East Antarctic Ice Sheet more ...

Ice Sheets on the Move: How North and South Poles Connect

Nov. 25, 2020 — Over the past 40,000 years, ice sheets thousands of kilometers apart have influenced one another through sea level changes, according to new research. New modelling of ice sheet changes during the ...

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Geoscientists Discover Ancestral Puebloans Survived from Ice Melt in New Mexico Lava Tubes

Nov. 18, 2020 — New study explains how Ancestral Puebloans survived devastating droughts by traveling deep into the caves of New Mexico to melt ancient ice as a ...

Study Reconstructs Ancient Storms to Help Predict Changes in Tropical Cyclone Hotspot

Nov. 16, 2020 — New research reveals that tropical cyclones were actually more frequent in the southern Marshall Islands during the Little Ice Age, when temperatures ...

A Jigsaw Puzzle Made of Ancient Dust

Nov. 9, 2020 — During the last Ice Age about 20,000 years ago, iron-containing dust acted as a fertilizer for marine phytoplankton in the South Pacific, promoting carbon dioxide sequestration and thus the glacial ...

Large Volcanic Eruption Caused the Largest Mass Extinction

Nov. 10, 2020 — Researchers say they have found more concrete evidence of the volcanic cause of the largest mass extinction of life. Their research looked at two discrete eruption events: one that was previously ...

Newly Discovered Fossil Shows Small-Scale Evolutionary Changes in an Extinct Human Species

Nov. 9, 2020 — Males of the extinct human species Paranthropus robustus were thought to be substantially larger than females -- much like the size differences seen ...

Past Is Key to Predicting Future Climate, Scientists Say

Nov. 5, 2020 — A group of climate experts make the case for including paleoclimate data in the development of climate models. Such models are used globally to assess the impacts of human-caused greenhouse gas ...

Seabirds' Response to Abrupt Climate Change Transformed Sub-Antarctic Island Ecosystems

Nov. 5, 2020 — A 14,000-year paleoecological reconstruction of the sub-Antarctic islands done by an international research team including HKU has found that seabird ...

Sea-Level Rise Will Have Complex Consequences

Nov. 4, 2020 — Rising sea levels will affect coasts and human societies in complex and unpredictable ways, according to a new study that examined 12,000 years in which a large island became a cluster of smaller ...

Consequences of Glacier Shrinkage

Nov. 2, 2020 — Scientists have investigated the causes of a glacial lake outburst flood in the Ladakh region of India. They drew on field surveys and satellite images to create an inventory of glacial lakes for the ...

Resilience in the Face of Climate Change: Archaeological Investigations Reveal Human Adaptability in Ancient Turkey

Oct. 29, 2020 — An examination of two documented periods of climate change in the greater Middle East, between approximately 4,500 and 3,000 years ago, reveals local ...