If you’ve ever dreamed of hopping on a rocket and venturing out to Mars, you might want to check the biological fine print first. Scientists have long suspected that space travel is incredibly brutal ...

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

India's second astronaut to travel to space, Group Captain Shubhanshu Shukla, says the country's next decade in space ...

Last year, astronauts in orbit took diagnostic x-rays of their own bodies for the very first time—and now, we get to see the results. On March 31, 2025, a SpaceX Falcon 9 rocket launched the Fram2 ...

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), ...

Early prototypes of the SpaceX Starship super-capsule that Italy is chartering to speed its spaceflight and biotech experiments to Mars (Marie D. De Jesús/Houston Chronicle via Getty Images) With its ...

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 ...

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 ...

Forbes contributors publish independent expert analyses and insights. Kevin Holden Platt writes on space defense, SpaceX, ISS, Space War I American scientists envision creating a network of ...

In hindsight, it is fitting that it took a broken space potty, one of the most challenging and critical systems for human spaceflight—and a bane of all its programs—for the Artemis II mission to begin ...