Scientists observed sleeping octopuses and saw their brains enter a deep sleep like ours. This deep sleep is similar to a dream state in mammals, so octopuses may also dream. The study is the first to ...

A two-month-old octopus tries to unscrew the lid of a jar to get hold of its content, a crab, at Denmark's Aquarium in Copenhagen in 2004. Credit - Jorgen Jessen—AFP/Getty Images As predictable as the ...

Research shows that up to 50% of the human brain is involved in visual processing. For octopuses, that number is roughly 70%. There are similarities between octopus and human eyes — both involve a ...

Source: National Marine Sanctuaries, via Wikimedia Commons. Public domain. In a new study, researchers from the University of Queensland used advanced magnetic resonance imaging (MRI) scans to ...

Tom has a Master's degree in Journalism. His editorial work covers anything from archaeology and the environment to technology and culture. Tom has a Master's degree in Journalism. His editorial work ...

Octopus minds are notoriously mysterious. Earlier this year, when scientists published a study on measuring octopus brain waves in the journal Current Biology, they were forced to admit that the ...

Add Yahoo as a preferred source to see more of our stories on Google. A common octopus (Octopus vulgaris) off Croatia in the Mediterranean Sea. Reinhard Dirscherl/ullstein bild via Getty Images We ...