The Universitat Autònoma de Barcelona (UAB) forms part of an international consortium that is preparing the Tree of Sex project, an ambitious initiative aimed at decoding the evolutionary complexity ...

Ohno, S. The development of sexual reproduction. -- Sharman, G.B. Evolution of viviparity in mammals. -- Jewell, P.A. Selection for reproductive success. -- Short, R ...

Add Yahoo as a preferred source to see more of our stories on Google. Unfurling fiddlehead of the Christmas fern (_Polystichum acrostichoides_). Jacob S. Suissa, CC BY-ND Imagine a photograph of your ...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...

Aurora Ruiz-Herrera (upper row, second from the right) with members of the research team led by the IBB-UAB. The Universitat Autònoma de Barcelona (UAB) forms part of an international consortium that ...

In the debate over human origins and the nature of sexual reproduction, religious and scientific perspectives often diverge. The Bible claims man came first, with women derived from man’s rib. Yet, ...

A rare fossil discovery in Antarctica has upended scientific understanding of ancient marine reptiles. Buried beneath 68 million years of sediment, a soft-shelled egg as big as a football has emerged ...

CALGARY, Alberta (Reuters) - Canadian researchers say they've narrowed down the likely owner of a dinosaur nest, abandoned on a river's edge 77 million years ago, adding the discovery offers a unique ...

Here’s what you’ll learn when reading this story: Chondrichthyan fishes—a group that includes rays, skates, chimaeras, and sharks—are thought to have energy intensive reproduction cycles due in no ...

Imagine a photograph of your great-grandparents, grandparents and parents side by side. You’d see a resemblance, but each generation would look distinct from its predecessors. This is the process of ...