A new study found that microgravity simulated on Earth hindered sperm cell movement, egg fertilization and embryo development ...

The mission to colonize Mars has captured the imagination of scientists and enthusiasts alike. With NASA and SpaceX leading the charge, the once distant dream of establishing a human settlement on the ...

Human sperm loses its sense of direction in space, making the prospect of conceiving babies on the Moon or Mars an incredibly ...

There are substantial technical, political, and financial obstacles to starting the colonization of Mars within the next few decades. SpaceX is farther along than most toward this ambitious goal.