The "boring billion" shaped multicellularity, with energy demands sparking complexity. This era shows evolution's cost.

Scientists have observed a type of cell division in a prehistoric unicellular organism that resembles the embryonic development seen in animal embryos, hinting that embryonic processes may have ...

Chromosphaera perkinsii, a billion-year-old species, may reveal multicellularity’s origins, predating the chicken and egg.

The world is full of unusual unicellular organisms and microbes, many of which have not been discovered yet. In 2017, ...

This week, researchers hypothesized that human culture is distinguished from cultures of other species like whales by unique ...

It's the age-old riddle that has baffled scientists for hundreds of years. But experts may have finally cracked the conundrum ...

The classic question, “What came first, the egg or the chicken?” has intrigued philosophers and scientists for centuries. A ...

New research suggests that nature would have possessed the genetic tools to “create eggs” long before it “invented chickens”.

Chromosphaera perkinsii is a single-celled species discovered in 2017 in marine sediments around Hawaii. The first signs of ...

Between 1.8 billion and 800 million years ago, earthly life was in the doldrums. During this period, called the "boring ...

A cell of the ichthyosporean C. perkinsii showing distinct signs of polarity, with clear cortical localization of the nucleus ...

Images of the multicellular development of the ichthyosporean Chromosphaera perkinsii, a close cousin of animals. In red, the membranes and in blue the nuclei with their DNA. The image was obtained ...