In a precise and quiet sequence that unfolded over 90 minutes, the two males alternated in mating with the female. The actual act lasted just 110 seconds—63 for the first male, 47 for the second.

Meet the Messor ibericus harvester ant, the only animal on record that clones another animal to carry out its lifecycle, ...

A small group of leopard sharks has been seen – and caught on film – engaging in a three-way bout of reproductive hanky-panky ...

A 'virgin birth' may sound like something found only in the Bible - but it's actually one of nature's real-life miracles.

The staghorn sumac (Rhus typhina) is a ubiquitous shrub of human-impacted Northeastern habitats. Sumac stands occur along ...