Molecular dating and divergence time estimation encompass a suite of analytical frameworks designed to reconstruct the temporal dimension of evolutionary history by translating genetic differences ...

Canadian researchers studying 450-million-year-old fossils near Quebec City have identified a new species of basal-medusozoan: Paleocanna tentaculum, a soft-bodied, tube-shaped polyp with a ring of ...

The fossil record has given us another new prehistoric species, named Eosphorosuchus lacrimosa (from the Greek personification of the morning star—the planet Venus), a member of the group called ...

A 300-million-year-old tentacled sea creature has lost its crown as the world’s oldest octopus, after scientists found evidence that it’s not an octopus at all. Newly published research concludes that ...

What started as routine fossil cleaning turned into a major scientific surprise when researchers uncovered a tiny claw in a 500-million-year-old specimen where no claw should exist. That detail ...

More than 539 million years ago, soft, clarinet-shaped animals anchored themselves to the seafloor on disc-shaped bases, swaying alongside stalked animals resembling worms and baskets. These ...

Around 540 million years ago, the ocean erupted with complex life: Creatures rapidly transformed from simple, soft-bodied, ocean-floor-dwelling animals into bodies we might recognize today—animals ...

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Russell has a PhD in the history of medicine, violence, and colonialism. His research has explored topics including ethics, science governance, and medical involvement in violent contexts. Russell has ...

An 18-million-year-old jawbone discovered in Egypt challenges the long-held view that East Africa was the cradle of our modern ape ancestors. Illustration of Masripithecus moghraensis, the first ape ...

New, miniscule fossils of the earliest-known relative of all primates, including humans, Purgatorius, have been unearthed in a more southern region of North America than ever before – and the ...