For most animals, reproduction is straightforward: Some species lay eggs, while others give birth to live babies. But our recent research uncovered a fascinating mix between the two modes of ...

On one of many dribbly days in July, as I wandered along a beach on North Douglas, I noticed a little plant with white flowers. It’s called alpine bistort, but at our latitude it also lives in meadows ...

For most of the animal kingdom, babies are born in one of two ways: their parent either lays eggs or gives birth to live offspring. Recently, a three-toed skink (Saiphos equalis) pulled off an ...

Charles Foster receives funding from The University of Sydney. Camilla Whittington receives funding from The University of Sydney and the Australian Research Council. Our earliest vertebrate (animals ...

Animals reproduce in one of two distinct ways: egg-laying or live birth. By studying an evolutionarily recent transition from egg-laying to live-bearing in a marine snail, collaborative research has ...

Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

In a lab at the University of Sydney, a female yellow-bellied three-toed skink first laid eggs, then gave birth to a live baby, all part of the same pregnancy. This is the first time biologists have ...

Melanie Laird receives funding from The University of Otago. Camilla Whittington receives funding from the Australian Research Council. University of Sydney and University of Otago provide funding as ...

Male and female live-bearing fish evolve differently: female evolution is influenced more strongly by natural selection, while male evolution is influenced more strongly by sexual selection, according ...

A photo of the embryos that developed inside a live bearing female snail. Many different stages of development can be observed from just-fertilized, to fully-hatched miniature snails. Animals ...