Kristi Noem didn’t appear to know she’d been fired Thursday afternoon as she spoke before an audience of law enforcement officials. As Donald Trump announced Noem’s sudden ouster on social media, the ...

Novartis has settled a lawsuit by the estate of Henrietta Lacks that alleged the pharmaceutical giant unjustly profited off her cells.

A pair of new studies have provided fresh evidence in the long-running scientific debate—and the result could be game-changing for treating diseases like Alzheimer’s and dementia.

A resurrected ancient enzyme is helping scientists test how reliably Earth’s oldest rocks record signs of life.

In 1921, Otto Loewi woke from a dream with the idea for an experiment that proved nerves communicate using chemicals, not just electricity. By showing that stimulating one frog’s heart released a ...