Ancient Greece produced the earliest records of democracy, western philosophy — and, it turns out, lead pollution. Researchers studying sediment cores recovered from mainland ...

Secretary of Transportation Sean Duffy immediately moved to roll back fuel efficiency standards moments after being sworn in ...

Self-driving cars appear to be safer than those with human drivers. Bring them on.

Hours after being sworn in as the new U.S. Secretary of Transportation, Sean Duffy took aim at the main way the federal ...