origin of life
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Scientists Can Detect Life in Single Grain of Alien Ice
Icy moons like Europa and Enceladus are exciting venues for the prospect of life beyond Earth, because they are thought to contain oceans of water beneath their frigid surfaces. Now, a team of scientists has concluded that a single grain of material spewed up by the outgassing moons could contain biosignatures—signs of life—if there are…
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Scientists Look in an Ancient Meteorite and Find Evidence of CO2-Laced Water
A team of researchers recently took a close look at an ancient meteorite and determined that it contained carbon dioxide-rich water, a discovery that has implications for the theory that water (and thus, life) first arrived on Earth by way of these rocks.
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Asteroids Really Could Have Brought Water To Earth, Experiment With Giant Rock Blaster Shows
You may have heard the theory that asteroids are responsible for Earth’s water. You may also have thought, hah, there’s no way that asteroids could have brought all that water to Earth. But fake asteroid impacts are now demonstrating that, yeah, maybe they did.
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Quest To Find The World’s Oldest Fossils Intensifies With New Result
Our planet popped into existence some 4.5 billion years ago. Life didn’t waste time, emerging shortly thereafter – but the exact timing of this momentous event is still unknown. A study published today offers new clues into this enduring scientific mystery by claiming to have discovered Earth’s oldest fossils in 3.5 billion-year-old Australian rock. Sounds…