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

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. It’s been a wormy, sexual head-scratcher for years. The Japanese ...

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, ...

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 ...

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.

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.

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 ...

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 ...

Animals possess circadian clocks, or 24 h oscillators, to regulate daily behavior. These typically take their cues from the periodic change of sunlight and darkness. However, many animals are also ...