Not all creatures need to breed to produce offspring. Animals like zebra sharks and killifish are redefining what scientists thought they knew about asexual reproduction. Among vertebrates, or animals ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

Climate change has a wide range of effects on wildlife. It affects seasonal migration, reproduction times, body size and mass, and disrupts ecological processes, thereby posing challenges for the ...

"This study opens new avenues for understanding the intricate balance between reproduction, damage repair, and lifespan. The sex-specific nature of germline regulation challenges existing paradigms ...

Scientists have uncovered a surprising genetic shift that may explain how animals with backbones—from fish and frogs to humans—became so complex. By comparing sea squirts, lampreys, and frogs, ...

Oocyte maturation in vertebrates encompasses the transition from a growth-arrested germ cell to a fertilisation-competent egg through a tightly regulated sequence of meiotic events. Fully grown ...

Ecology claims to study all of animal life. A new audit of 1,383,803 scientific papers spanning nearly 150 years finds that it has been doing something far narrower — and that the gap may be widening.