Intrepid explorers go on an expedition to search for a mythical arctic island inhabited by a group of Vikings.

Set sail on this rare voyage with Jacques Cousteau as the master explorer and his courageous crew plunge into depths of all levels, revealing a beautiful, untamed world full of mystery and intrigue.

Shackleton's Antarctic adventure recounts the extraordinary true story of polar explorer Sir Ernest Shackleton's 1914-1916 British Imperial Trans-Antarctic Expedition, which many consider "the greatest survival story of all time". This expedition has become a testament to heroism and human endurance, with all 28 men surviving nearly two years in the barren, frigid Antarctic when their ship, the Endurance, was caught in pack ice and eventually crushed....

"The year is 2112, and it's the apocalypse exactly as expected: rivers receding, oceans rising, civilization crumbling. Humanity has given up hope, except for a group of Indigenous outcasts who have discovered a time travel portal in a cave in the desert and figured out where everything took a turn for the worst: America. Convinced that the only way to save the world is to rewrite its past, they send one of their own--a reluctant linguist named Tad--on...

“Fascinating . . . memorable . . . revealing . . . perhaps the best of Carl Sagan’s books.”—The Washington Post Book World (front page review)
In Cosmos, the late astronomer Carl Sagan cast his gaze over the magnificent mystery of the Universe and made it accessible to millions of people around the world. Now in this stunning sequel, Carl Sagan completes his revolutionary journey through space and time.
Future...

"When five sentient digital beings-condemned for over three hundred years to crew the small survey ship by the all-powerful Company-encounter a mysterious black sphere, their course of action is clear: obtain the object, inform the Company, earn lots of praise. But the ship malfunctions, and the crew has no choice but to approach the sphere and survey it themselves. They have no idea that this object-and the transcendent truth hidden within-will change...

An account of the Lewis and Clark expedition sent by President Jefferson to explore the land acquired in the Louisiana Purchase in 1803. Includes related activities.

In Ben Bova's novel JUPITER, physicist Grant Archer led an expedition into Jupiter's hostile planetwide ocean, attempting to study the unusual and massive creatures that call the planet their home. Unprepared for the hostile environment and crushing pressures, Grant's team faced certain death as their ship malfunctioned and slowly sank to the planet's depths. However one of Jupiter's native creatures--a city-sized leviathan--saved the doomed ship....

A nineteenth-century science fiction tale in which a French professor and his companions, trapped aboard a fantastic submarine with a mad sea captain, come face to face with exotic ocean creatures and strange sights hidden from the world above.

Five thousand years later after a catastropic event rendered the Earth a ticking time bomb, the progeny of a handful of outer space explorers--seven distinct races now three billion strong--embark on yet another audacious journey: to return to Earth.