A melting ice patch in the Rocky Mountains uncovered an ancient forest, and these trees have stories to tell about dynamic ...

Pete Hegseth Is Sworn In as Defense Secretary After Being Confirmed by Slim Margin Mr. Hegseth has vowed to bring his “warrior” ethos to the Pentagon. His confirmation came down to Vice ...

To tackle a backlog in toxicity testing, US federal scientists are modernizing programs with high-throughput assays and AI.