Iowan Joshua Steven Riibe told prosecutors he and Sudiksha Konanki were hit by an intense wave and were swept out to sea.

A groundbreaking new map,Bedmap3, has provided the most detailed view yet of the hidden landscape beneath Antarctica’s ice ...

A newly discovered mechanism could explain the shock finding last year that oxygen is produced by metallic nodules on the ...

With sea traffic set to rise in a warming Arctic, researchers are helping sailors plot a safer course through sea ice and ...

The ocean covers nearly three-quarters of our planet but scientists say we have barely scratched the surface of what lives in ...