Some of the earliest complex organisms on Earth – possibly some of the earliest animals to exist – got big not to compete for food, but to spread...
It lived well over 550 million years ago, is known only through fossils and has variously been described as looking a bit like a jellyfish, a worm, a...
Major changes in the chemical composition of the world’s oceans enabled the first large organisms – possibly some of the earliest animals – to exist...
A new study of 565 million-year-old fossils has identified how some of the first complex organisms on Earth – possibly some of the first animals to...
New three-dimensional reconstructions show how some of the earliest animals on Earth developed, and provide some answers as to why they went extinct...
