This article was originally featured on Knowable Magazine. More than 1.5 billion years ago, a momentous thing happened: Two small, primitive cells became one. Perhaps more than any event—barring the ...
Researchers found an unusual archaeon physically linked to a bacterium in Shark Bay. Tiny tube-like structures connect these ancient microbes, suggesting resource exchange. This discovery offers a ...
Prokaryotic single-celled organisms, the ancestors of modern-day bacteria and archaea, are the most ancient form of life on our planet, first appearing roughly 3.5 billion years ago. The first ...
What is the last common ancestor of all plants and animals? Where did complex life come from and when? Scientists have been trying to answer these questions for many years. A new finding has changed ...
In many submerged regions, murky mud shelters strange life-forms that seem to be the key to one of the biggest mysteries of life on Earth. These creatures belong to a domain of life called the archaea ...
The sun has just set on a quiet mudflat in Australia’s Northern Territory; it’ll set again in another 19 hours. A young moon looms large over the desolate landscape. No animals scurry in the waning ...
A billion-year-old calcium signaling system in cyanobacteria reveals surprisingly ancient roots of cell-to-cell communication.
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