Two US astronauts successfully completed Tuesday what NASA described as a "critical" spacewalk to repair a failed piece of equipment that helps power the International Space Station.
ESA astronaut Luca Parmitano last weekend helped to explore the caverns under Sicily using a drone that deliberately bumped into its surroundings in order to build a map.
NASA has ordered up urgent spacewalking repairs at the International Space Station.
Working inside the International Space Station is sometimes like assembling complex furniture but with the tools and paper instructions continually floating out of reach. Astronauts also face situations unforeseen by the ...
An equipment water leak shortened Friday's spacewalk by two U.S. astronauts at the International Space Station, but they still managed to replace a faulty electronics box.
Astronauts aboard the International Space Station have decreased physical fitness because of a decrease in the way oxygen moves through the body, according to a Kansas State University kinesiology study.
Astronauts in space are valuable sources of scientific data. Researchers collect blood and urine samples to understand what effects living in weightlessness has on their bodies. For one experiment, investigators are interested ...
The United States is in a hurry to send people to Mars by the 2030s, but a key question remains for these deep space explorers: what will they wear?
NASA is all about solving challenges, and the goal of having a prolonged presence in space, or a colony on Mars or some other world, is full of challenges, including the necessity of growing food. Scientists at Kennedy Advanced ...
US President Donald Trump congratulated NASA astronaut Peggy Whitson for setting a new space record on Monday, but expressed disdain for a particular rigor of space life—drinking recycled urine.