An international team of researchers has found evidence that suggests atmospheric CO2 levels at the end of the Triassic era were nearly the same as those predicted for the 21st century. In their paper published in the journal ...
Next year, both NASA and the European Space Agency (ESA) will send new rovers to Mars to hunt for evidence of past life.
Space Exploration
Sep 5, 2019
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46
Imagine astronauts on Mars, tasked with picking rock samples that will be used by scientists to search for signs of life. But they can only transport a limited number back to Earth. What should they look for? Are some types ...
Space Exploration
Mar 11, 2019
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18
A new study describes the Science Operations component and new results from NASA's Biologic Analog Science Associated with Lava Terrains (BASALT). The goal of BASALT was to provide evidence-based recommendations for future ...
Astrobiology
Mar 6, 2019
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12
A major volcanic event could have triggered one of the largest glaciations in Earth's history—the Gaskiers glaciation, which turned the Earth into a giant snowball approximately 580 million years ago. Researchers from Heidelberg ...
Earth Sciences
Feb 21, 2019
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8
On a remote tropical island in the Indian Ocean lies a geologic enigma. Some 4 million years ago, volcanic eruptions on the seabed piled lava upward almost two miles, until it broke above the waves. Then it kept piling up, ...
Earth Sciences
Feb 13, 2019
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54
The Galapagos archipelago is one of the most famous groups of islands in the world. Many of the animal and plant species are unique because of the islands' isolated location in the Pacific, 1,000 kilometers off of the coast ...
Earth Sciences
Oct 19, 2018
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14
Imagine an enormous volcano erupting in the Pacific Northwest, pouring lava across Washington, Oregon and Idaho. Imagine the lava flooding out until river valleys are filled in. Until bushes and shrubs are buried in liquid ...
Environment
Sep 19, 2018
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111
When fossil fuels are burned, carbon dioxide (CO2) is emitted. As the gas rises and becomes trapped in the atmosphere, it retains heat as part of a process called the greenhouse effect. The increased temperatures associated ...
Environment
Apr 5, 2018
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115
Volcanoes are an explosive and mysterious process by which molten rock from Earth's interior escapes back into the atmosphere. Why the volcano erupts - and where it draws its lava from - could help trace the lifecycle of ...
Earth Sciences
Jun 13, 2016
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