In the coming years, an unprecedented number of people will leave planet Earth—but it’s becoming increasingly clear that deep ...

New images captured by NASA's Curiosity rover show colorful clouds in the sky over Mars. The images were captured by the rover's Mastcam, which NASA's Jet Propulsion Laboratory compared to the rover's ...

The low levels of gravity (microgravity) in space cause significant changes ... agencies are cautious about the consequences of longer missions, such as a flight to Mars. The eye-health effects of ...

Could humans survive on other planets? What would it take to live on Mars, Venus, or even a moon like Titan? From low gravity to toxic atmospheres, every planet presents a unique challenge. Watch as ...

Blue Origin's famed New Shepard spacecraft successfully simulated the moon's low gravity on board its capsule during a brief flight Tuesday morning over West Texas. Video of the uncrewed launch ...

The low levels of gravity (microgravity ... such as a flight to Mars. The eye-health effects of prolonged exposure to microgravity remain unknown, and no preventive or palliative measures now ...