Scientists have long observed that embryos of different species within a phylum look quite distinct at early and late ...

The Hauraki Gulf is already experiencing more frequent and longer lasting marine heatwaves. Seabirds now have to travel further to find enough food.

A post on Instagram celebrated Sia the white-tailed eagles first birthday. Read here about how they hatch and grow up.

Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...

Researchers have long known that temperature can determine whether some reptiles develop as male or female, but this process ...

In reptiles, a simple temperature change can determine whether an egg develops into a male or female. This process is formally known as temperature-dependent sex determination (TSD), in which the sex ...

Why did our ancestors ditch the shell and start growing babies inside their bodies instead? In this episode of Big Ideas, ...