China sent synthetic human embryos to its space station this month, the first experiment of its kind. The goal is to determine whether one of the earliest stages of human development can withstand ...

Simulated effects of microgravity, created by 60 days of constant bed rest, severely disrupts rhythmic gene expression in humans, according to a new study. Simulated effects of microgravity, created ...

Prolonged exposure to microgravity causes bone loss, muscle atrophy, fluid shifts, and vision damage, making the human body ...

The race to return humans to the moon and eventually send astronauts to Mars has forced scientists to confront a difficult reality. Space is dangerous, isolated and unforgiving.

Dear Doctors: As a former NASA mission planner, I would signal a "no-go" for human colonization of the moon and Mars. The human body's functions cannot tolerate the long-term effects of a low-gravity ...

A new experiment is seeking to validate whether living cancer samples can be prepared, operated, monitored, and recovered ...

Infectious microbes have evolved sophisticated means to invade host cells, outwit the body’s defenses and cause disease. While researchers have tried to puzzle out the complicated interactions between ...

Orbit Robotics built Helios, a four-armed robot designed for zero gravity that grips and braces inside spacecraft while ...