A major study finds no link between menopause HRT and dementia, supporting its use for symptoms, not prevention.

California Highway Patrol launches holiday crackdown on speeding and reckless driving, citing winter weather risks.

Huron, Ohio, crafts high-fidelity crash test dummies, including a new female model, for safer vehicle testing.

Australia's science agency gets $233M boost, but job cuts and underfunding concerns persist.

A new mRNA therapy temporarily rejuvenated aging mice's immune systems by stimulating liver cells to produce thymus-like signals.

FDA approves rucaparib for BRCA-mutated advanced prostate cancer, improving progression-free survival.

Heavy rain caused flooding in Washington, closing US Highway 2 with no injuries reported.

China and Russia strengthened media ties, signing 11 agreements to boost cooperation and mutual understanding.

Cannabis boosts deep sleep but reduces REM sleep, affecting long-term well-being, a study finds.

MIT fusion scientist Nuno Loureiro was fatally shot at his Brookline home on Dec. 15, 2025; investigation ongoing, no suspects.