The first man to walk on Mars recounts a trip with a strange alien companion across the planet to his disbelieving crew.

After discovering a mysterious alien artifact on the Moon, human astronauts endeavor to uncover its purpose and message from an extraterrestrial civilization.

When aliens land on a planet new to them, they find a population obsessed with a virtual reality and uninterested in the intense beauty of the natural world around them.

The first manned trip to Pluto discovers some fascinating and alarming information. A trip to Pluto uncovers information that changes science and human history as we know it.

A young alien scientist joins forces with other archaeologists to uncover the secrets of a race that died out many years ago.

An older Indian man recounts his story of "alien" encounters on Mars during Saturday tea.

Two murders on Mars leave a trio of surveyors-- a man, a woman and a survival specialist--searching for answers on the mysterious planet.

A group of alien archaeologists explores the Olduvai Gorge in Africa to learn about humanity, an extinct race. However, as they begin investigating artifacts, they discover that everything they knew about humans is entirely wrong.

Two cartographers reach a geographic boundary and discuss what they see.

A group of nine explorers volunteer to survey extreme planets, but they are disharmonious because one of their members is a prickly empath. On their journey, they encounter a planet where the only living things seem to be the plants...until the empath is attacked, and they start to wonder if there is other life on the planet.