Before the joey is born, another pregnancy has already started.

Unable to break through the water’s surface, tadpoles have a unique workaround for breathing air.

Contrary to popular thinking, the period of arrested development is an active state of maintaining muscle integrity.

Using advanced microscopy and imaging techniques, scientists have revealed new parts of the human body and overturned previous misconceptions.

The last few years have yielded new insights into human anatomy. Explore this interactive graphic to learn about some of these discoveries.  

Without a brain, the frog embryo immune system doesn’t receive the signals it needs to mobilize macrophages and fight infections.

A phthalate commonly found in shampoos, cosmetics, and cleaning products disrupts reproduction in worms.

A gene involved in a newly described syndrome affects neural functioning in fruit fly embryos.

Single-cell-resolution imaging offers a glimpse into lymphatic vessel formation in the mouse embryo.