Official disclosures and open-source satellite imagery reveal the locations of four U.S. aircraft carrier strike groups.

A report assessing state policies on plastics comes just weeks before negotiators meet to attempt to finalize a global treaty ...

If you crave the solitude of an undeveloped stretch of coast to beachcomb, birdwatch, and sunbathe, check out America's best national seashores.

China’s oceanographic survey and research ships are collecting data in the Indo-Pacific region — possibly to aid submarine ...