An curved arrow pointing right. NASA astronaut Randy Bresnik captured stunning footage of Earth during a recent spacewalk to refurbish a robotic arm on the International Space Station. More from ...

According to the Baylor College of Medicine's Center for Space Medicine, long durations in space can change a person's eyes, including globe flattening, optic disc edema, and vision changes. The Space ...

Scientists have explained everything that might happen to the two 'stranded' NASA astronauts' bodies when they finally return ...

However, NASA learned the spacecraft had experienced multiple helium leaks and propulsion system issues so it returned empty in New Mexico last September. Following months of planning, ...

This bone density loss can put the NASA astronaut at high risk of suffering fractures once back on Earth. The cardiovascular system adapts to microgravity by redistributing fluids in the body.

The chances of an asteroid as large as the width of an NFL field striking Earth continue to ... clearing house for small body positional measurements, by the NASA-funded Asteroid Terrestrial ...

An asteroid that sparked concerns about potentially hitting Earth no longer poses a significant threat of slamming into the planet, according to NASA’s latest analysis. The asteroid, Asteroid ...

Asteroid 2024 YR4, measuring 130 to 300 feet wide, currently has a 1.5% chance of impacting Earth in 2032. The odds of impact have decreased from initial estimates, and NASA expects them to ...

An asteroid has a small chance of hitting Earth less than eight years from now, and astronomers are enlisting the help of NASA's James Webb Space Telescope to study it. Characterized as a ...

Called 2024 YR4, the near-Earth asteroid initially carried a 1% chance of hitting land when NASA and the European Space Agency first announced its existence last month. Protocols require the ...