US EditionScientists Discover Ancient Signals That Paint a Surprising Picture of Earth’s First Animals
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Scientists Discover Ancient Signals That Paint a Surprising Picture of Earth’s First Animals
The study, which was published in Proceedings of the National Academy of Sciences (PNAS), sheds new light on one of science’s most enduring questions: what did the first animals on Earth truly look like? Led by scientists at the Massachusetts Institute of Technology (MIT), the research provides compelling evidence that sponges, simple, soft-bodied creatures, may have been among the very first animals to appear on Earth. By analyzing chemical sig…
In an article published on September 29, 2025 in the journal PNAS, scientists reveal chemical evidence dating back several million years that would sign the presence of sponges on Earth long before the development of other complex life forms. And, if Bob the sponge had been present on Earth well
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