As NASA scrambles to prepare for the launch to Mars, Margo is confronted with a harsh personal reality.

A commercial spaceflight company makes an announcement. The choice over who’ll command the Mars mission leads to a shift in personnel.

Nearly 10 years have passed. Danielle and Ed attend a celebration, where things take a terrifying turn.

A dispute on the moon prompts NASA officials to consider arming astronauts. Ed’s past comes back to haunt him.

Deke must recruit female astronauts after Russia lands a woman on the moon.

Gon climbs to the top of the World Tree where Ging is expecting him, and the two finally have a heart to heart. In this occasion, Ging reveals his intentions…

Mankind’s evolution begins to accelerate at a rapid and disturbing pace. Concurrently, another species on the planet is exhibiting the same drastic development. Eventually the two species will battle to…

Who’s a good dog? They all are! From puppy-dog eyes to feats of heroism, see how canines evolved into humankind’s best friends and sources of pure love.