The maps use NASA data to show the concentration and movement of black carbon, a type of aerosol pollution released by wildfires, over North America from July 17 to July 24.

A U.S. research satellite scheduled for reentry into Earth's atmosphere will not pose a threat to the West Coast or the rest of North America, officials at NASA said Thursday.

The number of gray whales migrating along the Pacific Coast of North America has steadily declined by nearly 40% from a 2016 peak, and the population produced its fewest calves on record this year ...

Four years before the attack on Pearl Harbor, the Los Angeles Examiner published this full-page map by artist Howard Burke, outlining a potential Japanese strategy for attacking the West Coast and ...