Picture a pair of eyes the size of soccer balls peering out at you from the dark depths of the ocean. For the colossal squid, ...

Animals that researchers call “supersucklers” come back to nurse even after they can hunt, mate and fend for themselves.

In Antarctica, penguins do not lay their eggs at random. Their breeding cycles are precisely timed with the seasons, so chicks hatch when conditions are best to favour their survival. Such careful ...

Scientists at the Max Planck Institute for Biology have discovered a remarkably streamlined strategy for developmental ...

Quite an advantage in today’s world.

Dangers are lurking in the deep but some sea creatures are more intelligent than we give them credit for. The great white ...

Epaulette sharks can reproduce without any measurable increase in energy use, stunning researchers who expected egg-laying to ...

New research shows that epaulette sharks, often called “walking sharks,” can produce eggs without increasing their overall energy use.

Gone are the days of spending hours searching for the answer to a question, having to leave the house to meet someone new or even getting up to change the temperature in your home. But technologically ...

Cuttlefish attract prospective sexual partners by creating a pattern on their skin, based on the orientation of light waves.

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the ...

A duplicated gene evolved into a switch that determines sex in frogs, revealing how evolution can safely reshape critical ...