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Watch cannibal crab gobble up baby crablets in Australia in David Attenborough's 'Our Planet II'The rare footage was taken when filming the red crab migration on Christmas Island.
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Octopuses 'rewire' their brains to adapt to different ocean temperaturesOctopuses edit their RNA to adapt to fluctuating temperatures, from the warm waters of summer to chilly ocean temperatures in winter.
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Why do animals keep evolving into crabs?Crabby bodies are so evolutionarily favorable, they've evolved at least five different times. So why does this process, known as carcinization, keep happening?
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Watch an octopus waking up from what scientists think could have been a nightmareThe male octopus was repeatedly filmed violently jolting awake from sleep and engaging in unusual activities, but exactly what prompted this odd behavior is unclear.
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Scientists discover never-before-seen brain wave after reading octopuses' mindsBy surgically attaching electrodes to octopuses, researchers have been able to peer inside the cephalopods’ minds for the very first time.
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Newly discovered jellyfish is a 24-eyed weirdo related to the world's most venomous marine creatureResearchers named the newfound species Tripedalia maipoensis, after Mai Po Nature Reserve in Hong Kong, where they discovered the transparent critter.
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How many hearts does an octopus have?Octopuses are odd: They have more than one heart and copper-rich blue blood.
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Alien-like giant phantom jellyfish spotted in frigid waters off AntarcticaCruise liner guests encountered giant phantom jellyfish off the coast of Antarctica while diving in submersibles, a new study finds.
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Sea dragon dad glues his brood to his tail for safekeeping, stunning image showsSea dragon dads and octopus moms are the extreme marine parents we need, winning photos show.
