More than 3.5 billion years ago, the Earth was not the hospitable world we know today. The atmosphere lacked oxygen, the seas ...
Researchers have discovered that chemical reactions in underwater hydrothermal vents could have produced the necessary ...
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What scientists found in 1.4 billion-year-old air is reshaping our understanding of early Earth
What Scientists Found in 1.4 Billion-Year-Old Air Is Reshaping Our Understanding of Early Earth ...
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Why Titan’s atmosphere mimics early Earth
Titan, Saturn’s largest moon, possesses a thick, nitrogen-rich atmosphere that bears striking similarities to that of early Earth. Scientists are fascinated by Titan’s atmospheric composition and its ...
Researchers uncovered that trace compounds like nickel and urea may have delayed Earth’s oxygenation for millions of years. Experiments mimicking early Earth revealed how their concentrations ...
Life on Earth began in a world of volcanic eruptions, violent storms, and a toxic atmosphere. Yet somehow, from this chaos, the first living organisms emerged. Scientists at the University of Arizona ...
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