Search results for oxygen isotope ratio

Earth Sciences Jun 5, 2026

Hidden meltwater found deep in Antarctic coastal waters reveals stronger climate impacts

Freshwater from melting Antarctic glaciers may be influencing the Southern Ocean in ways scientists have largely overlooked. New research, published in Frontiers in Marine Science, has found that glacial meltwater is not ...

Earth Sciences May 6, 2026

Even the most remote ocean is contaminated with zinc from human sources, research reveals

The vast, deserted South Pacific is considered unspoiled nature. But this ocean is not as unspoiled as we would like to think. A new study by a group of researchers from ETH Zurich and the GEOMAR Helmholtz Center for Ocean ...

Astrobiology Apr 10, 2026

Chang'e mission samples reveal how exogenous organic matter evolves on the moon

Elements essential to life, such as carbon, nitrogen, oxygen, phosphorus, and sulfur, were "delivered" to Earth and the moon during the early stages of the solar system via asteroids and comets impacting their surfaces. These ...

Evolution Apr 7, 2026

African frogs haven't forgotten the ice ages. Scientists can tell by where they live.

Why are frogs diverse in some parts of Africa's rainforests and less so in others? The patterns of cooling and glaciation during the last ice age would probably not have been your first answer or even your last-ditch guess, ...

Earth Sciences Apr 2, 2026

Current connection: Scientists detail how shifts in the Atlantic Ocean impacted the Alaskan climate 13,000 years ago

Some newly published findings from an Idaho State University professor and his colleagues point out how changes to currents an ocean away can impact climates on the other side of the globe. The new paper published in Nature ...

Planetary Sciences Mar 30, 2026

Earth formed from material exclusively from the inner solar system, planetary scientists show

Planetary scientists have long debated where the material that formed Earth comes from. Despite its location in the inner solar system, they consider it likely that 6–40% of this material must have come from the outer solar ...

Environment Mar 20, 2026

New model links carbon-13 spike to Great Oxidation Event 2.45 billion years ago

Two University of Victoria (UVic) geologists have integrated field geology with statistical modeling to give scientists a new view of the chemical reactions happening on ocean floors billions of years ago. The revised picture ...

Earth Sciences Feb 26, 2026

Will melting glaciers slow climate change? A prevailing theory is on shaky ground

For scientists who study the Southern Ocean, a long-standing silver lining in the gloomy forecast of climate change has been the theory of iron fertilization. As temperatures rise and glaciers in Antarctica melt, ice-trapped ...

Evolution Feb 25, 2026

Land plants began reshaping Earth 455 million years ago, scientists discover

Pinpointing when early land plants colonized terrestrial environments and began influencing Earth's systems is a core question in the evolution of the Earth system. A research team led by Prof. Zhao Mingyu at the Institute ...

Environment Feb 18, 2026

The Peace-Athabasca Delta is at risk. Here's what we can do to evaluate the threats

River deltas are among the most complex and productive environments on Earth. Yet, they face serious threats from upstream industrialization and climate change, which alter supplies of water, sediment and contaminants. Even ...

page 1 from 40