NASA laboratory 'humanely euthanized' 27 of its research monkeys in one day due to 'advancing age'
All the primates at Ames Research Center were put down on February 2, 2019 They had been overseen by a drug research company renting space there The monkeys were older, and most had Parkinson's disease, the company said The choice was made to 'humanely euthanize' them to avoid 'a poor quality of life' NASA maintains it 'does not have any non-human primates' in its facilities
Source: dailymail.co.uk