Spaceflight is hard on the heart, yet artificial ones grow better in space than on Earth
The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in space significantly faster than in labs on Earth.
Astrobitica
May 3, 2026 (Last updated: May 3, 2026) 1 minute read
The human heart shrivels away in space, but researchers have found that mini-hearts grown from human stem cells sprout in space significantly faster than in labs on Earth.