NASA to Evacuate 4 ISS Astronauts Early Due to 'Serious Medical Condition'

• NASA will bring back a four-person crew from the International Space Station (ISS) a month early due to a 'serious medical condition' affecting one astronaut.
• The identity of the astronaut and the specific medical condition remain undisclosed, but NASA confirmed the individual is stable with a 'lingering risk'.
• The decision follows the abrupt cancellation of a spacewalk due to a 'medical concern' and highlights NASA's priority for astronaut health.
• The medical issue is not properly diagnosed and not treatable on the ISS, necessitating the early return of the entire crew.
• This is only the second time a space station mission has ended early due to health concerns, the previous being in 1985 with cosmonaut Vladimir Vasyutin.

Why It Matters: NASA is evacuating four ISS astronauts early due to an undisclosed serious medical condition of one crew member.