A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

they also use sound-cancelling wing-flicks to jockey with rivals. This new understanding of how male flies compete for female partners could shed ...

Here’s what happened next. From animal encounters to Chance Encounters, CNN Travel’s hit series about love and friendship is now a new CNN podcast. Host Francesca Street chronicles marvelous ...

Across Kenya, grasslands underpin people's lives—as well as those of animals like elephants, giraffes, and hyenas. But the climate crisis is drying out these habitats, forcing people and animals ...

In the animal kingdom, horns are symbols of dominance and power ... If cornered, however, both male and female goats may use their horns to deter an attacker. Common predators include coyotes, wolves, ...

Miles and miles of water. We can't live without water. Nothing can live without water. These animals live in the water. They couldn't survive unless there was a lot of water around them.

Ima, a Western lowland gorilla born at Damian Aspinall’s animal park in Kent, England, made history by becoming the first zoo-born male to father babies in the ... Ima fathered babies with two ...

Feb. 17, 2025 — Reintroducing wolves to the Scottish Highlands could lead to an expansion of native woodland which could take in and store one million tons of CO2 annually, according to a new ...

Animal physiology is the scientific study of the life-supporting properties, functions and processes of animals or their parts. The discipline covers key homeostatic processes, such as the ...

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