Search results for theory of continental drift

Earth Sciences Jul 28, 2020

Marie Tharp pioneered mapping the bottom of the ocean – scientists are still learning about Earth's last frontier

Despite all the deep-sea expeditions and samples taken from the seabed over the past 100 years, humans still know very little about the ocean's deepest reaches. And there are good reasons to learn more.

Earth Sciences Jun 22, 2020

Geologists shed light on the Tibetan Plateau origin puzzle: an open-and-shut perspective

Earth's geographical surfaces formed over millions of years, and various theories aim to explain their formation. The most popular theory, called plate tectonics, states that Earth's outermost layer is a dynamic system consisting ...

Earth Sciences May 13, 2020

How the Earth's last supercontinent broke apart to form the world we have today

Pangaea was the Earth's latest supercontinent—a vast amalgamation of all the major landmasses. Before Pangaea began to disintegrate, what we know today as Nova Scotia was attached to what seems like an unlikely neighbor: ...

Earth Sciences Mar 16, 2020

Deep-ocean conveyor belt current creates tsunami risk for Falkland Islands

The Falkland Islands are at risk from tsunamis caused by underwater landslides, according to new research.

Earth Sciences Sep 3, 2019

What drives plate tectonics?

Plate tectonics was founded in the late 1960s, and it concerns the distribution and movements of plates, the uppermost layer of the Earth. Plate movements not only control the distributions of earthquakes, volcanoes, and ...

Earth Sciences Aug 9, 2019

Ten years of icy data show the flow of heat from the arctic seafloor

Scientists have taken the temperature of a huge expanse of seafloor in the Arctic Ocean in new research by the U.S. Geological Survey and the Geological Survey of Canada. The study, published in the Journal of Geophysical ...

Earth Sciences Jun 7, 2019

A seismologist present at the discovery of plate tectonics

As a young seismologist in the 1960s, Lynn Sykes made crucial observations of earthquakes under the ocean floors that helped solidify the theory of plate tectonics—the foundation of modern geology. Later, hoping to apply ...

Evolution Nov 14, 2018

New research offers detail and insight into deep-time evolution of animal life on islands

Islands have been vital laboratories for advancing evolutionary theory since the pioneering work of Charles Darwin and Alfred Russel Wallace in the 19th century.

Plants & Animals Jun 27, 2018

History of side-necked turtle diversification revealed

A work authored by a group of paleontologists affiliated to University of São Paulo's Biology Department in Ribeirão Preto, Brazil, published in Royal Society Open Science, is the most comprehensive phylogeny of the Pleurodira ...

Earth Sciences May 1, 2018

Why parts of Earth have barely changed in 3 billion years

There is a mystery in Earth's ancient past, and the clues lie in the desert rocks of Australia and other ancient places.

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