Sandy Cay lies just a few nautical miles from Thitu Island, the largest Philippine military outpost in the Spratly Islands.

Thor Heyerdahl and five crew members began a trip from Peru to Polynesia on the Kon-Tiki, a raft made of balsa logs.

The 2022 underwater Hunga Tonga-Hunga Ha‘apai eruption, one of the most powerful in modern history, reached all the way into ...