WASHINGTON (CBS/AP) — Scientists have found fossil-like hints that some kind of life existed on Earth 4.1 billion years ago — when the planet was a mere toddler.
That’s 300 million years earlier than previously thought.READ MORE: Christmas Tree At Oakland's Jack London Square Catches Fire; Arson Investigation Underway
It changes the way scientists thought Earth was like soon after it formed 4.5 billion years ago. And it also gives them reason to theorize that life itself is more plentiful throughout the universe.READ MORE: Bicyclist Killed In Fall At Oakland's Shepherd Canyon Park
Researchers examined grains of the mineral zircon from western Australia’s Jack Hills and dated them to when Earth was barely 400 million years old. Inside one they found carbon residue that they suggest is a remnant of a colony of tiny organisms of some unknown type.
Their report was published Monday in the journal Proceedings of the National Academy of Science.MORE NEWS: Sabrina Spellman Makes An Appearance On The CW's Riverdale; Kiernan Shipka Reveals 'Fans Will Get Some Clarity'
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