During periods known as Snowball Earth, between 720 and 635 million years ago, early eukaryotes — complex cellular lifeforms that eventually evolved...
By chemically analyzing crystals in ancient rocks, scientists from Curtin University, the University of Portsmouth and St. Francis Xavier University discovered...
Scientists at the University of Bergen have uncovered a remarkable diversity of behaviors within the rosette-shaped colonies of Salpingoeca rosetta, a...
Paleontologists have hypothesized for decades that a major animal group called Ecdysozoa must be older than the Cambrian period, but until now its origins...
Quaestio simpsonorum is part of the Ediacara Biota, which preserves the oldest evidence for complex, macroscopic animals.
Close up of Quaestio simpsonorum...
Fossil and molecular evidence suggests that complex multicellular organisms originated and proliferated during the Neoproterozoic Era (1,000-541 million...
New research led by University of Goettingen scientists provides evidence that the first multicellular streptophytes likely lived about a billion years...
Around 2.4 billion years ago, the Great Oxidation Event caused fundamental changes to the chemistry of Earth’s surface environments. However, the effect...
Biologists have isolated a new type of multicellular bacterium, named Jeongeupia sacculi HS-3, from an underground stream in northern Kyushu Island, Japan....
Atmospheric oxygen is thought to have played a vital role in the evolution of complex multicellular organisms. The so-called oxygen control hypothesis...
Bicellum brasieri, a freshwater protist that lived nearly one billion years ago, had two distinct cell types and could be the earliest multicellular animal...
A team of researchers from the University of Queensland and the University of Alabama has found that the first multicellular organisms probably weren’t...
