Life cycles require the creation of an autonomous individual, that individual’s growth and that individual’s reproduction In ...

CAMBRIDGE, England, Aug. 3 (UPI) --Statistical analysis has revealed the sexual behavior of creatures from the genus Fractofusus, a type of rangeomorph, was surprisingly complex. In a new study, ...

Why do some organisms die immediately after reproducing (some salmon and bamboos, many insects, and all grain crops), while others live on to reproduce repeatedly (most plants and vertebrates)? Many ...

A soft-bodied, fernlike creature reproduced in Earth's ancient oceans about 565 million years ago, making it the earliest known example of procreation in a complex organism, a new study finds. Many ...

Studying a species of beetle mite, an international research team has demonstrated for the first time that animals can survive over very long periods of time (possibly millions of years) entirely ...

Biologists are uncovering increasing evidence that females are much more than passive players in the game of reproduction. Examples include ducks with labyrinth-like vaginas that open or close to dead ...