In March 1995 Valeri Polyakov, a Russian cosmonaut, returned to Earth after a record 14 consecutive months in space. Extended weightlessness generally wreaks havoc on the human body, often disrupting ...

Humans may one day need to leave planet Earth to survive. One possibility is Mars. Examine advances and developments that have brought us this far, and how much more needs to be done to make Mars a ...

Sometime in the future humans will leave Earth to colonize Mars, and in doing so will begin to adapt to life on another planet in surprising ways. Evolutionary biologist Dr. Scott Solomon foresees a ...

The humans who move to Mars might not remain "human" for very long. Evolution is a powerful force, transcending planetary boundaries. As Rice University biologist Scott Solomon points out in his ...

Colonizing Mars is an obsession among certain space geeks. Elon Musk has made several grandstanding predictions about when he believes humankind will reach the red planet. But as Scott Solomon shows ...

Humans may one day need to leave planet Earth to survive. One possibility is Mars. Examine advances and developments that have brought us this far, and how much more needs to be done to make Mars a ...