A recent Trump executive order defines sex based on gamete size. But the order oversimplifies genetics, hormones and reproductive biology.

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SEATTLE — A federal judge in Seattle issued a temporary restraining order Friday blocking President Donald Trump's executive order halting federal funding of gender-affirming care for ...

The new structure incorporates chemical groups called sulfonates to make it compatible with water, allowing it to function in real-world water systems, like rivers or wastewater. It uses a natural ...

If any of these conditions sound familiar, have you considered that your troubles aren’t just a natural consequence of ageing, but are instead caused by dwindling testosterone? A solid supply of ...