A new review of ocean data suggests that more than 99.999 percent of the global deep seafloor has never been seen by humans.

President Trump has repeatedly described the U.S.-Canada border as an "artificially drawn line." But experts say just because ...

We know next to nothing about Earth’s seafloors. According to a study published May 7 in Science Advances, humans have only ...

For around 2,000 years, global sea levels hardly varied. That changed in the twentieth century. Sea levels started rising and ...