Do you think you've got decent science knowledge? It's time to put your gray matter to the test with our weekly, free science crossword puzzle. We've spent hours carefully writing our puzzles to make ...

Controlled studies capture only a fraction of the effects of artificial intelligence. Economists should work with social scientists to find innovative ways to fully grasp this fast-moving field.

Dec. 19, 2025 Gravitational waves from black holes may soon reveal where dark matter is hiding. A new model shows how dark matter surrounding massive black holes leaves detectable fingerprints in the ...