Add Yahoo as a preferred source to see more of our stories on Google. An artistic reconstruction of the deathbed of Pohlsepia mazonensis, 300 million years ago. (Franz Anthony/Clements et al., Proc. R ...

The elusive 'vampire squid from hell' has just yielded the largest cephalopod genome ever sequenced, a monster clocking in at more than 11 billion base pairs – more than twice as large as the biggest ...

A fossil that was fundamental to describing the evolution of octopuses turns out to have been an impostor, all along. The famous 300-million-year-old Pohlsepia mazonensis, discovered in 2000 and later ...