Is it pos­si­ble for chick­ens to lay eggs in space?

BBC Earth (Asia) - - Q&a -

Only one bird has ever ac­tu­ally laid an egg in space. A quail aboard the Rus­sian Soyuz TM-10 space­craft laid an egg while trav­el­ling to the Mir space sta­tion in 1990. It seems likely that other birds would be able to phys­i­cally lay eggs in zero-g, but suc­cess­fully in­cu­bat­ing those eggs is much harder. Ex­per­i­ments with both quail and chicken eggs in space show much higher rates of birth de­fects in the bird em­bryos. LV

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