Scientists have long suspected that hormones quietly tune how the brain learns, but the idea of a single, hidden “switch” has usually been more metaphor than map. What is emerging from decades of ...

Researchers have created a protein that can detect the faint chemical signals neurons receive from other brain cells. By tracking glutamate in real time, scientists can finally see how neurons process ...

Here’s what you’ll learn when you read this story: Single-celled organisms aren’t often associated with complex functioning, but a new study suggests that at least some protists exhibit what’s known ...

This activity was supported by Grant No. B9053 from the Carnegie Corporation of New York. Any opinions, findings, conclusions, or recommendations expressed in this publication do not necessarily ...

When NASA scientists opened the sample return canister from the OSIRIS-REx asteroid sample mission in late 2023, they found something astonishing. Dust and rock collected from the asteroid Bennu ...