A Canadian geologist may have found the earliest fossil record of animal life on Earth, according to a report published Wednesday in the journal Nature. Around a billion years ago, a region of ...

Surprisingly, genome comparisons have failed to resolve a major question in animal evolution: Which living animals are the descendants of the earliest animals to evolve in the world's oceans?

It’s easy to forget that all humans roaming Earth’s surface are walking above an endless number of animal fossils. There’s a good chance, for example, that you’ve walked over your fair share of ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. WASHINGTON — A Canadian geologist may have ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. A set of tiny fossilized tubes from northwestern Canada may be the ...

Sponges are often considered to be the most basal and primitive metazoan phylum. Early sponge fossils can provide important clues to the origin and early evolution of animals. Molecular clock ...

WASHINGTON, July 28 (Reuters) - Fossils found in rugged mountainous terrain in Canada's Northwest Territories may give a glimpse at the humble dawn of animal life on Earth - sea sponges that inhabited ...

Molecular clocks, which use the mutation rate of biomolecules to deduce how long ago two species diverged, and phylogenetics (the evolutionary relationships between species) can tell us when sea ...

[url=http://arstechnica.com/civis/viewtopic.php?p=30725009#p30725009:qna8ie1v said: melgross[/url]":qna8ie1v]I don't know of anyone who thinks the Cambrian Explosion ...

Sponges form an extensive animal phylum with over 7,500 species worldwide, which occur in a wide range of habitats in the ocean. A special feature of this animal phylum is their ability to filter ...