A new study has uncovered a fundamental link between brain size and offspring size, helping to solve a long-standing evolutionary puzzle: Why do birds lay such disproportionately large eggs?

Sea stars can produce eggs for up to 200 years. Their surprisingly human-like ovaries may offer clues about fertility and reproductive aging.

At first glance, bat sea stars, the nubbly, orange, many-footed creatures often found on the seafloor, seem about as far from humans as one can get. Appearances can be deceiving, however. Scientists ...

A groundbreaking study reveals that flowering plants may have begun developing large, animal-friendly fruits long before the ...

The collaboration leverages Colossal's marsupial de-extinction and conservation biotechnology platform to save the Tasmanian ...

Like humans, wildlife is increasingly vulnerable as climate change fuels longer and more intense heatwaves, disrupting feeding and breeding, and in extreme cases proving fatal. - Fish - In fish, high ...

Analysis of fossils discovered in Illinois reveals a previously unknown growth pattern and opens a new scientific debate.

Have you ever puzzled over the meaning of a particular wildlife word or phrase? Then puzzle no more! From the 'Fraser Darling effect' to the 'K-T Boundary', our glossary provides the explanation – in ...

A complete Cretaceous shellfish fossil. (University of Portsmouth) Nature has imbued its mothers with many surprisingly ...

Successful reproduction presents a fundamental evolutionary paradox: the immune system must tolerate genetically foreign sperm and embryos while maintaining ...