By analyzing Mercury's rocky surface, scientists have been able to partially reconstruct the planet's history over billions of years. Now, drawing upon the chemical composition of rock features on the planet's surface, scientists ...
Space Exploration
Feb 21, 2013
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1
Dinosaurs were dying out much earlier than the mass extinction event 65 million years ago, Natural History Museum scientists report in the Proceedings of the Royal Society journal today.
Archaeology
Apr 30, 2009
5
1
The formation of Earth's continents billions of years ago set the stage for life to thrive. But scientists disagree over how those land masses formed and if it was through geological processes we still see today.
Earth Sciences
Aug 5, 2024
0
84
When radionuclides enter our organism, whether by inhalation, ingestion, or through wounds, they pose a potential health risk. Many previous studies on radionuclide exposure have focused mainly on animal experiments. However, ...
Biochemistry
Jul 4, 2024
0
51
Surface mapping technology such as GPS, radar and laser scanning have long been used to measure features on the Earth's surface. Now, a new computational technique developed at The University of Texas at Austin is allowing ...
Earth Sciences
Jul 2, 2024
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1
Seventy thousand years ago, the sea level was much lower than today. Australia, along with New Guinea and Tasmania, formed a connected landmass known as Sahul. Around this time—approximately 65,000 years ago—the first ...
Archaeology
Apr 26, 2024
0
2547
Titan is the second-largest moon in the solar system and the only one with a dense atmosphere. At the top of this atmosphere, rich in nitrogen and methane, the sun's radiation produces a great diversity of organic molecules, ...
Astronomy
Mar 11, 2024
0
68
According to the Gaia hypothesis, which was proposed by the scientists Lovelock and Margulis in the 1970s, our planet should have been getting progressively warmer for millions of years, while our oceans should have been ...
Planetary Sciences
Feb 15, 2024
0
56
As the primary element of life on our planet, carbon is constantly journeying from living creatures down into the Earth's crust and back up into the atmosphere, but until recently, quantifying this journey was virtually impossible.
Earth Sciences
Nov 14, 2023
0
75
Scientists know very little about conditions in the ocean when life first evolved, but new research published in Nature Geoscience has revealed how geological processes controlled which nutrients were available to fuel their ...
Evolution
Nov 13, 2023
0
106
