Earliest explorers.

'Like Sir David Attenborough, he has the rare ability to be an excellent communicator and has written an engaging book sprinkled with mind-blowing facts about t

"Featuring a new preface by the author."

Bold Endeavors: Lessons from Polar and Space Exploration presents the results of 15 years of research for NASA and the Department of Defense concerning the fact

Scientists maintain that we've only explored 5 percent of Earth's oceans. These incredible expanses contain so many resources that many of us take for granted.