ScienceDaredevil walks into open mouth of active volcano: Watch the action caught on GoPro video Mount Marum is one of the most geologically-active volcanoes in the world. A pair of bold adventurers descended inside the volcano, and returned with surreal video.by James Maynard
CultureScientists discover seamount under the ocean, possibly the remains of an underwater volcanoby Robin Burks
ScienceObama wants to create world's biggest marine reserve in Pacific Ocean, target illegal fishingby Tina Shah
ScienceWhere in the Pacific is Nereus? U.S. robotic research submarine might have imploded, says scientistsby Cez Verzosa