well before the first animals appeared on Earth’’, explains Omaya Dudin, who led this research. Even more surprisingly, the way these cells divide and the three-dimensional structure they adopt are ...

For over a century, biologists have puzzled over the origins of animals that first emerged in ancient oceans more than 600 ...

The chicken-or-egg mystery has long puzzled humanity, posing a seemingly unanswerable question about the origins of life and ...

Elsewhere in these early seas was another animal ... but the Cambrian animals set the stage for all animal life on Earth, including us. Watch First Animals on The Nature of Things.

Scientists in Europe believe they may have finally solved the long-debated question of which came first: the chicken or the ...

perkinsii demonstrates early forms of multicellular coordination ... well before the first animals appeared on Earth’," Dudin explained. The process is similar to how animal embryos are developed.

The first signs of its presence on Earth have been dated at over a ... forming multicellular colonies resembling the early stages of animal embryonic development. Unprecedentedly, these colonies ...

The first life forms to appear on Earth were unicellular ... forming multicellular colonies resembling the early stages of animal embryonic development. Unprecedentedly, these colonies persist ...

The first signs of its presence on Earth have been dated at over a ... forming multicellular colonies resembling the early stages of animal embryonic development. Unprecedentedly, these colonies ...