Many animals do something that still surprises researchers: females often mate with more than one male. This ...

A large international study reveals that mammals tend to live longer when reproduction is suppressed. On average, lifespan ...

Biologists tend to look at the animal kingdom and try to categorize things in an organized fashion. But nature has a way of ...

Cephalopods display some of the most diverse and elaborate reproductive strategies in the marine realm. Their mating systems encompass behaviours such as sexual mimicry, dynamic visual signalling, ...

Xoaquín Moreira, Luis Abdala-Roberts, Ignacio M. Pérez-Ramos, Johannes M. H. Knops, Mario B. Pesendorfer, Walter D. Koenig and Kailen A. Mooney PREMISE OF THE STUDY:The influence of weather conditions ...

Source: Shark Bay Research Program, used with permission. Species across the animal kingdom play, suggesting the behavior has benefits. Scientists have long hypothesized a link between juvenile social ...

It can be hard to know if someone is really into you. Sometimes, you get hints — a certain look or smile, a nervous blush or flirtation. Giraffes get none of that. They have no set breeding season.

The 2011 Guide for the Care and Use of Laboratory Animals contains recommendations regarding the amount of cage space for mothers with litters. Literature on cage-space use in breeding rats is sparse.

A new study has found that chemical additives in everyday plastic might be stopping – or, at best, interrupting – the reproductive habits of a shrimp-like species that is key to the marine food chain.