Learn how frog eggs and fish eggs differ in structure, habitat, development, and survival, and what they reveal about the ...

Male bonobos have an impressive ability to detect when females are most fertile, even though the usual visual cues are ...

Researchers have developed a new "color-coded" genetic method that makes it easy to distinguish male and female mosquitoes.

An international team discovered new types of butterflies that lay hidden in plain sight at the Natural History Museum.

Female praying mantises are notorious for eating their mates during or after sex. Now, scientists have discovered a dwarf ...

A plant that looks like a fungus, lives like a parasite, and clones itself in the dark—Balanophora may be one of evolution’s ...

Male bonobos are able to decipher confusing fertility signals from females, say scientists. Most female mammals are only ...