With bloated bellies and hairy legs, female flies try to look bigger to get food from courting mates. But male flies, in turn ...

Scientists published a full genetic sequence of the genes that make some white campions male, and hope their work could ...

In an evolutionary battle of the sexes, scientists have found that male flies sharpen their eyesight to avoid being tricked by females into sharing food.

The arrival of a baby swell shark at an aquarium in Louisiana has caused a wave of excitement, after the egg hatched despite ...

“With this executive order, the war on women’s sports is over,” Trump said at a signing ceremony that included lawmakers and female athletes who have come out in support of a ban. White ...

The president put out a sweeping order on his first day in office last month that called for the federal government to define sex as only male or female and for that to be reflected on official ...

New research at the UO reveals that they have been using one that has existed for 480 million years. The octopus has just ...

WASHINGTON—President Trump is preparing to issue an executive order Wednesday effectively banning transgender girls and women from participating in female sports events in schools and colleges ...

"It really proves that life... uh... finds a way," said Shreveport Aquarium, Louisina's curator of live animals, Greg Barrick.

Almost all workers are being pulled out of the US Agency for International Development (USAID), the Trump administration has said. The move all but ends a six-decade mission to shore up American ...