The mollusks give and receive sperm simultaneously, and pack tiny males into the pouches of much larger females.
A Cretaceous crustacean preserved in amber reveals new insights about “giant sperm.”
An Australian reptile delivered the same litter both in eggs and live birth, suggesting to researchers that an evolutionary shift could be happening before our eyes.
Cycads used to grow in the UK during the age of the dinosaurs. Warming temperatures are helping them return.
In a country where stigma and shame drive many women towards unsafe abortions, this is an account of one woman who, unlike many, survived to tell the tale.
Scientists believe the blob gives us a grim look at how climate change could affect whales.
Whether you’re a laid-back boxers-wearer or an uptight fan of briefs, the choice may have an influence on your sperm health.
Whale experts say the species could be reproductively extinct within 25 years.
Latina women’s reproduction continues to be portrayed as a threat.