For years, doctors and scientists have tracked how space changes the human body. Astronauts often come back with weaker muscles, thinner bones, and immune systems that do not respond as well as before ...

In Delhi, PM Narendra Modi met Group Captain Shubhanshu Shukla, the pilot for the upcoming Axiom-4 mission to the International Space Station (ISS). In their interaction, Shukla described the ...

Stem cell aging is potentially worrisome because it diminishes the body’s natural ability to repair tissues and organs.

SALT LAKE CITY — Fifty-five years ago today, the world was looking up as astronauts from Apollo 11 blasted off from the moon to return after a successful mission. However, what you might not know is ...

He described looking down at Earth and spotting India as a deeply-moving experience. "Of all the places on Earth, India looks ...

Something to look forward to: Two of the world's wealthiest men are racing to tackle a challenge that could transform human space travel: refueling spacecraft in orbit. Solving this problem could ...

A former NASA photographer shares how she captured Houston’s most iconic view of Endeavour’s farewell flight, 13 years after it soared above the city.