Roll back the tape of Earth's history, and geologists and astrobiologists remain perplexed about the environmental conditions ...
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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What scientists found in 1.4 billion-year-old air is reshaping our understanding of early Earth
For decades, scientists believed that a vast stretch of Earth’s early history unfolded under stable and uneventful conditions. That assumption is now being challenged by an extraordinary discovery ...
Earth’s atmosphere might have contributed to the origin of life more than previously thought. In a study published Dec. 1 in the "Proceedings of the National Academy of Sciences," CU Boulder ...
Billions of years ago, Earth’s atmosphere was hostile, with barely any oxygen and toxic conditions for life. Researchers from the Earth-Life Science Institute studied Japan’s iron-rich hot springs, ...
The moon's surface may be more than just a dusty, barren landscape. Over billions of years, tiny particles from Earth's atmosphere have landed in the lunar soil, creating a possible source of ...
WHY are we here? As questions go, it’s a big ‘un, beloved of philosophers and theologists in a navel-gazing, hand-wringing sort of way. Scientists often find themselves raising an objection before the ...
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