Paleogeography is the scientific study and reconstruction of past geographic configurations of Earth’s surface, including the distribution of continents, oceans, mountain ranges, basins, and depositional environments through geologic time. It integrates data from plate tectonics, stratigraphy, paleomagnetism, sedimentology, paleontology, and geochronology to infer past positions and movements of tectonic plates and associated paleoenvironments. Paleogeographic reconstructions provide essential boundary conditions for paleoclimate modeling, basin analysis, sediment routing systems, and biogeographic studies, enabling quantitative assessment of how changes in Earth’s surface configuration have influenced climate systems, ocean circulation, biodiversity patterns, and the formation and distribution of natural resources.
What can mapped drainage systems on Mars teach scientists about the red planet's watery past? This is what a recent study published in the Proceedings of the National Academy of Sciences hopes to address as a team of scientists ...
Planetary Sciences
Dec 6, 2025
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100
Atmospheric dust plays an important role in the way Earth absorbs and reflects sunlight, impacting the global climate, cloud formation, and precipitation. Much of this dust comes from the continuous reshaping of Earth's surface ...
Earth Sciences
Dec 3, 2025
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44
Billions of years ago, it rained on Mars. The water collected in valleys and rivers, filled and spilled over the rims of craters, and was funneled into canyons, perhaps even making its way to a large Martian ocean.
Astrobiology
Dec 1, 2025
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64
Approximately 400,000 years ago, some areas of Greenland that are now covered by a thick layer of ice were exposed to fresh air and sunlight. Today, the Greenland Ice Sheet covers most of the land mass, but the southwestern ...
Environment
Nov 25, 2025
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136
Scientists have revealed that ancient bogs in the Southern Hemisphere hold clues to a major shift in Earth's climate thousands of years ago.
Earth Sciences
Nov 19, 2025
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47
While they didn't live in a pineapple under the Phosphoria Sea, it turns out a good chunk of the prehistoric Intermountain West was once blanketed in sea sponges.
Ecology
Nov 13, 2025
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70
In a local grazier's backyard in the small southeast QLD town of Murgon, scientists have been digging for decades in what looks like an unremarkable clay pit. But within the clay lies one of Australia's oldest fossil sites—a ...
Ecology
Nov 11, 2025
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238
Lake Turkana in northern Kenya is often called the cradle of humankind. Home to some of the earliest hominids, its fossil-rich basin has helped scientists piece together the story of human evolution. Now, researchers from ...
Earth Sciences
Nov 10, 2025
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81
Madagascar's landscape tells a story of deep time: ancient rifting and geological tilting sculpted the island's dramatic topography and steered its rivers, setting the stage for the evolution of its extraordinary biodiversity.
Earth Sciences
Oct 23, 2025
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154
Understanding what the environment looked like millions of years ago is essential for piecing together how our earliest ancestors lived and survived. Habitat shapes everything, from what food was available, to where water ...
Ecology
Oct 23, 2025
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