A single gene in the shorebird species known as ruffs controls the levels of testosterone in males, and this in turn affects ...

Over four years, a team from Canada’s CetAsia Research Group traveled to the Amazon river, where they then closely watched ...

A gene-edited mouse with two male parents has survived to adulthood, pushing new progress on stem cell research.

Researchers created the first bi-paternal mouse by modifying imprinting genes, advancing reproductive science but facing ...

A new study led by researchers at UF Health has uncovered why males and females may experience stress differently.

Scientists have observed these dolphins ... expose the penis and urinate,” she says in an email. “When another male is present, he may sometimes chase the urine stream with his rostrum.” ...

To comply with Trump's executive order about DEI, a federally funded telescope project has altered the biography of its ...

RISUG is a one-time injection that’s long-lasting, reversible and has shown no serious side effects in clinical trials thus ...

Britain’s Science Museum has a “Seeing Things Queerly" tour that argued the way Legos are described as fitting together ...

Men have two birth control options: condoms and vasectomies. Why has it taken so long to develop more contraceptives?

Researchers have discovered a new mechanism that is used by a male sex hormone essential for muscle and bone function. The findings could lead to the development of new drugs with fewer side effects, ...

After many nights, and many sips of tea, I witness something truly unexpected: male koalas engaging in affectionate behaviours with each other, such as play and grooming. I was shocked. Adult koalas ...