A campaign against teachers who acknowledge realities of human biology forces a choice: Teach truth and risk your job, or lie ...

Defense Secretary Pete Hegseth in an address to the military's top leaders waded back into a topic that nearly derailed his ...

Biological sex is usually described in simple binary terms: male or female. This works well for germ cells (sperm versus eggs ...

Our understanding of female–male power relationships in animals has changed over time. Evolutionary biologists once thought that male mammals held clear-cut power over females. Later, species with ...

HighSchoolOT is naming athletes of the week for each area code during the 2025-26 school year. There will be a male and a ...

WASHINGTON (KCTV) - Kansas Sen. Roger Marshall introduced legislation Wednesday that would require passports and other state documents only to be designated as male or female.

"It is frustrating, knowing the men’s uniforms are designed with practicality in mind, while ours are not," the poster said.

Hummingbirds are among the smallest birds, and they are known for being beautiful, petite, and fast. After all, they can beat their wings up to 80 times a second! Like many creatures in the animal ...

Hummingbirds, known for their dazzling colours and agility, exhibit distinct differences between males and females. Males boast vibrant, iridescent gorgets and engage in elaborate courtship displays, ...

If you’re in the market for a cat, the sex of the feline can play a part in the decision, given the varied differences between males and females. Watch today’s video by A-Z-Animals to learn the key ...