Human Spaceflight Spending time in space can harm the human body − but scientists are working to mitigate these risks before sending people to Mars
Human Spaceflight Heating and cooling space habitats isn’t easy – one engineering team is developing a lighter, more efficient solution
Space Exploration Space junk in Earth orbit and on the Moon will increase with future missions − but nobody’s in charge of cleaning it up
Human Spaceflight, Space Exploration Dust on the International Space Station is contaminated with toxic chemicals
