Exercise · 21 Oct 2026
Astronauts’ hearts just passed a surprising test for Mars
Source: ScienceDaily
What the research found
A new study tracking 13 astronauts suggests that the human heart may be surprisingly well equipped for a journey to Mars, especially with regular exercise during spaceflight. Researchers found that astronauts' hearts adapted to months of weightlessness and handled simulated Martian gravity without major problems, offering new hope for future missions to the Red Planet.
More exercise news
- In 13,423 adults ages 65 and older, higher balance, strength, and march scores lined up with a lower chance of dying over seven years
- In 1,917 Mexican adults ages 50 and older, a weaker handgrip lined up with a higher chance of dying, and the link was stronger in men
- In a rodent model, tongue exercise raised output from surviving motor neurons
- Both orders of complex training improved fitness measures in 25 male university athletes
- Resistance exercise plus essential amino acid intake beat either one alone for muscle fitness in women over 65