Since the first planet orbiting a star other than the sun was discovered in 1995, we have realized that planets and planetary systems are more diverse than we ever imagined. Such distant worlds—exoplanets—give us the ...
Astronomy
Nov 27, 2022
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123
The James Webb Space Telescope has measured the temperature of a rocky exoplanet for the first time, finding that a "cousin" of Earth most likely lacks an atmosphere, researchers said Monday.
Planetary Sciences
Apr 2, 2023
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92
Over the last 540 million years, the Earth has weathered three major ice ages—periods during which global temperatures plummeted, producing extensive ice sheets and glaciers that have stretched beyond the polar caps.
Earth Sciences
Mar 14, 2019
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A potentially game-changing breakthrough in artificial photosynthesis has been achieved with the development of a system that can capture carbon dioxide emissions before they are vented into the atmosphere and then, powered ...
Materials Science
Apr 16, 2015
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1009
For the first time, researchers have spotted short-term, regional fluctuations in atmospheric carbon dioxide (CO2) around the globe due to emissions from human activities.
Planetary Sciences
Apr 1, 2022
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353
The Earth passed another unfortunate milestone May 23 when carbon dioxide (CO2) surpassed 400 parts per million (ppm) at the South Pole for the first time in 4 million years.
Environment
Jun 17, 2016
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487
The Southern Ocean played a critical role in the rapid atmospheric carbon dioxide increase during the last deglaciation that took place 20,000 to 10,000 years ago, according to a new report by Boston College geochemist Xingchen ...
Environment
Oct 16, 2020
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1437
Worldwide levels of the greenhouse gas that plays the biggest role in global warming have reached their highest level in almost 2 million years—an amount never before encountered by humans, U.S. scientists said Friday.
Earth Sciences
May 10, 2013
143
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There may be more habitable planets in the universe than we previously thought, according to Penn State geoscientists, who suggest that plate tectonics—long assumed to be a requirement for suitable conditions for life—are ...
Astronomy
Jul 30, 2018
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668
For decades scientists have investigated the influence of the world's oceans in trapping greenhouse gasses.
Environment
May 29, 2018
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