Apollo 10 astronauts still hold the fastest human spaceflight speed record. Their return journey from lunar orbit reached ...

A new ruling by the U.S. Supreme Court protecting voter rights could extend to astronauts living and working in space and ...

Human spaceflight has entered a phase where one company effectively controls the only operational ride to orbit for professional crews and most private passengers. SpaceX has turned what was once a ...

The longest human space flight up to that time ended with the splashdown of the Skylab 3 crew of Alan L. Bean, Owen K.

Add Yahoo as a preferred source to see more of our stories on Google. The rigors of space travel could accelerate changes in the human body usually associated with aging. According to a new study of ...

WASHINGTON (Reuters) -New research has identified yet another way that spaceflight tampers with the human body. A study involving samples flown on four SpaceX resupply missions to the International ...

Bypassing the moon and sending crews straight to Mars would be a serious error. Credit: NASA We’ve observed with concern a rising trend in human spaceflight ...

In June 2025, the bromance between President Donald Trump and Elon Musk turned into a public feud. Upset by rising government debt, the SpaceX CEO called the president's new "Big Beautiful" budget ...

Researchers from the University of California San Diego Sanford Stem Cell Institute have discovered that spaceflight accelerates the aging of human hematopoietic stem and progenitor cells (HSPCs), ...

Hand X-rays taken, from left to right, pre-flight, in orbit, and post-flight, from three different individuals using the same ...

Scientists working with NASA have discovered evidence that human stem cells undergo accelerated aging when exposed to the rigors of spaceflight. The main culprits seem to be microgravity and cosmic ...