More than one in 10 women suffer with a condition relating to their period, which can disrupt lives and even shorten sporting ...

She says when male and female insects look different, that is called sexual dimorphism – and this can happen in a variety of ...

Is this what they mean when they say “grow a pair”? Scientists in England were examining a 78-year-old cadaver back in 2024 ...

Despite living in a world that endlessly celebrates progress on gender equality, millions of women remain legally bound to male authority in ways that are direct, codified, and enforced. These aren’t ...

It is very likely that if the this law is repealed, other existing laws protecting women and girls’ rights will be threatened.

Intersex Texans say Texas’ new sex definition law could create legal confusion, restrict government records, and increase ...

Intersex Texans fear House Bill 229, which defines gender based on the reproductive system, could increase surgeries on intersex children and create challenges to obtaining sex changes on government ...

Early in development, many animals pick a team—male or female—based on their genetics, and, with time, acquire the characteristics to match. New research from the Marine Biological Laboratory (MBL) ...

In the diverse world of animal biology, one of the most fascinating phenomena is sequential hermaphroditism—the ability of certain species to change their functional gender during their lifetime.

Lila Maladesky's PhD project is funded by the European Research Council Humans like plants. We like seeing them change the colour of their leaves throughout the year. They connect us to nature even if ...