These unusual facts about animal sexuality expose the oddities associated with animal reproduction and sexual habits in ...

In the dark depths of the sea, where vision is difficult, meeting a mate becomes a problem. Octopuses, which are highly intelligent beings that generally avoid social contact, do not meet often.

Beyond birds, a surprising array of animals reproduce by laying eggs. From the unique monotremes like the platypus and echidna to reptiles, amphibians, and intelligent octopuses, this ancient strategy ...

This unassuming octopus pairs bacterial chemistry with evolutionary efficiency to deliver one of the most powerful defenses ...

This octopus survives in plain sight. Here’s how it adapts its body in real time to mirror dangerous species and navigate one ...

Just like vertebrates, cephalopods—such as octopuses and squid—have elaborate brains. Neuroscientists are flocking to them ...

A famous 300-million-year-old fossil that was thought to be the world's oldest octopus—even featuring in the Guinness Book of Records—has turned out to be something else altogether. In what amounts to ...

In 2000, researchers described an odd fossil found not far from Chicago. It had a round body, finlike structures on one end and a tangle of arms. The fossil was classified as an octopus and named ...

The author, who lives in Wheaton, has a new challenge now that “Remarkably Bright Creatures” is a Netflix movie starring ...

The researchers primarily studied California two-spot octopuses. Jerry Kirkhart via Wikimedia Commons under CC BY 2.0 Octopus sex seems like a very dignified affair. A male octopus hands his sperm to ...

The finned octopus lived alongside T. rex and may have been one of the top predators in the ancient ocean food chain.

More than two decades after scientists identified a fossil as the world's oldest octopus — officials now say it wasn't one at all. A recent study published in the journal Proceedings of the Royal ...