Animals have been reproducing sexually for hundreds of millions of years, but not always like we do it. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Bdelloid rotifers are ancient, asexual, oddballs. The teeny-tiny ...

The energy invested in animal reproduction is as much as 10 times greater than previously estimated when the metabolic load of bearing and caring for offspring is accounted for, according to a new ...

Animal reproduction and breeding encompasses the full spectrum of natural, assisted and genetic processes that underpin the perpetuation, improvement and conservation of species across diverse taxa.

Scientists compared genomes from 154 animal species and found that land animals share genetic tricks for surviving outside ...

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 ...

The menstrual cycle plays an essential role in human reproduction. However, most other animals don't experience menstruation. So, which other species have periods, and what's the evolutionary point of ...

Stephen has degrees in science (Physics major) and arts (English Literature and the History and Philosophy of Science), as well as a Graduate Diploma in Science Communication. Stephen has degrees in ...