Researchers collected more than 43,000 records of dives and assessed the photos and videos to determine how much of the bottom has been seen by humans.

One name came from a frustrated French explorer; another irked PETA so much, there was a petition for its name to change. Let ...

As we scrambled past quarreling sea lions, our guide ... Unlike the 100-passenger ships we saw passing by, the Galápagos Explorer holds just 12 guests, spread over six spacious cabins that ...