Life’s story may stretch further back than scientists once thought. Some genes found in nearly every organism today were already duplicated before all life shared a common ancestor. By tracking these ...
Ancient duplicated genes are giving scientists their first real clues about what life was like before all life on Earth ...
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Did life begin in space even before Earth existed? Study finds ancient amino acids in asteroid Bennu
Samples from the asteroid Bennu hint that some of life’s ingredients were forming long before Earth existed. NASA’s ...
Scientists have long wondered why Earth's overall makeup doesn't fully match the mix of materials found in ancient meteorites. One hypothesis has been that our proto-Earth (what the earliest stages of ...
Long before Earth formed, tiny mineral grains were already drifting through space, forged in the final breaths of dying stars. Those grains, older than our planet by billions of years, now sit in ...
Long before life thrived in Earth’s oceans, the planet’s magnetic field became disorganized. Deep within the ancient rocks of Morocco, scientists have recovered one of the clearest records of that ...
Discover 10 crazy prehistoric animals that once ruled the world millions of years ago - and they're not dinosaurs ...
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