These birds have evolved to withstand the equatorial sun and shelter in volcanic rocks along a subtropical coastline. After ...

Although birdsong can signal individual quality and personality, very few studies have explored the relationship between ...

Elephants are creatures of habit, and they typically don’t show up here at the Mushara waterhole in Namibia’s Etosha National ...

This article will use the terms “male,” “female,” or both to refer to sex assigned at birth. Learn more. Orgasms typically refer to a powerful feeling of physical pleasure and sensation.

“You know what our older daughter asked Kristen at one point? She said, ‘Why do you and Daddy’s birds — it’s universal in my house, it can be male or female — why do you and Daddy’s birds look so old?

"They do look a bit skinnier with looser skin but to be honest, you wouldn't know they were 60-plus years old. "Interestingly, female geckos - like female humans - tend to live longer than males.

But these aren’t just any sexagenarians we’re talking about; these are geckos, believed to be the world’s oldest on record, discovered on a small island in New Zealand. Marieke Lettink ...

The show opens with a scenario we’ve seen a zillion times. A police squad breaks through a door to capture a murderer. But in “Adolescence” the suspect is a 13-year-old boy. And the scene ...

Research from the University of Minnesota College of Pharmacy, published in Nature Communications, laid the groundwork for the first hormone-free male birth control pill to enter clinical trials.

World Athletics has approved the introduction of cheek swabbing to determine if an athlete is eligible to compete as a female ... a crucial role in determining male sex characteristics.

At the end of 1937, Roy and Walt Disney placed their entire bet on one card, just one. After setting up a tiny studio in Silverlake, east of Los Angeles, and realizing that more than just funny ...