What were the first animals? The fierce sponge–jelly battle that just won’t end

For more than a century, most evidence suggested that sponges, immobile filter-feeders that lack muscles, neurons and other ...

Football-sized fossil creature may have been one of the first land animals to eat plants

Life on Earth started in the oceans. Sometime around 475 million years ago, plants began making their way from the water onto ...
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Here is the very first animal on Earth

The earliest forms of animal life on our planet continue to fascinate scientists, who are seeking to unravel the mystery of their origins. A team of geochemists from MIT recently provided new clues by ...
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Sea sponges may have been Earth’s first living creatures

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. At a certain point in Earth’s distant past, the planet’s ...