Using primitive meteorites called chondrites as their models, earth and planetary scientists at Washington University in St. Louis have performed outgassing calculations and shown that the early Earth ...
IMAGE: A new study by CU-Boulder researchers indicates a thick organic haze shrouding Earth several billion years ago was similar to the one now hovering over Saturn’s largest moon, Titan. University ...
Researchers recreated conditions from billions of years ago and found that Earth’s young atmosphere could make key molecules linked to life. These sulfur-rich compounds, including certain amino acids, ...
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“It’s an incredible feeling”: Salty air bubbles in 1.4-billion-year-old crystals reveal secrets of Earth’s early atmosphere
Salt crystals formed when a saline lake dried up 1.4 billion years ago trapped air inside, providing a sample of the ...
A rapid increase in oxygen levels about 2.5 billion years ago was linked to the evolution of photosynthetic organisms, but geological factors likely started this process. Earth’s early atmosphere was ...
More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...
More than a billion years ago, in a shallow basin across what is now northern Ontario, a subtropical lake much like ...
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