In a new study, wild regent honeyeaters became vocal tutors, teaching their disappearing song to birds in a captive breeding ...

Studies are showing that the inflammatory condition can impact organs across the body, not just those involved in reproduction.

How many kids is too many, or too few, for your health? Science may finally have an answer, and it's not what you'd expect.

Project Hail Mary by Andy Weir is one of today's best science fiction books. While much of the science and math is great, it falls a bit when it comes to evolution.

Men have nipples, mammary glands and the hormones required, but the ability for male lactation rarely turns on. Here’s why ...

Live mouse progeny can be generated with assisted reproduction using germ cells from males without any Y chromosome genes. In these males, the two Y genes previously demonstrated to be essential for ...

(Pirotehnik/iStock/Getty Images Plus) Giving birth to more than the average number of children or having no children at all ...

Some animals have reproductive strategies so extreme that they can lead directly to their own death. In certain species, ...

Microglia (immune cells) and the RANK protein are essential for triggering puberty and maintaining fertility in the brain.

A new study shows that as humpback whale populations recover from past whaling, older males are gaining a major advantage in reproduction. Early in the recovery, breeding groups were dominated by ...

The warming world has disrupted the timing for plant and animal reproduction, and it's usually bad news for species that ...

S. Korea's government has launched a major initiative to foster domestic AI semiconductor companies, committing tens of ...