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Fractal Haze Could Solve Weak-Sun Mystery for Early Earth
A thick haze of organic material let the early Earth soak up the sun’s warmth without absorbing harmful ultraviolet rays, according to a new study. The model offers a new twist on an old puzzle:...
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Hot Water Around Giant Carbon Star Creates Interstellar Mystery
Hot water discovered around a giant carbon star requires a new theory for the chemistry around stars to be explained. The new theory could significantly alter our understanding of what materials exist...
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Life on Earth May Have Had an Icy Start
Cracks in ice could have served as a safe environment — much like a cell — for the first life on Earth to replicate and evolve. A new study adds plausibility to the ‘RNA World’ hypothesis that argues...
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Titan’s Haze Could Hold Recipe for Life, No Water Needed
When it comes to determining exactly where in the solar system life began, things have never been so up in the air. Scientists over the past decade have suggested deep-sea hydrothermal vents,...
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Enough Oxygen for Life Found Millions of Years Too Early
Earth’s atmosphere contained enough oxygen for complex life to develop nearly 1.2 billion years ago — 400 million years earlier than scientists previously believed. The findings, reported in the Nov....
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Doubts Brew About NASA’s New Arsenic Life
An arsenic-loving microbe found in a salty lake, which was touted last week as a potentially new form of life, is under heavy fire from the scientific community. The microbe, a bacteria called GFAJ-1,...
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