Postage stamp featuring Laika, scanned by user Neozoon, Public domain, via Wikimedia Commons

Animal Astronauts Who Were Trailblazers of Spaceflight

Since the dawn of spaceflight in the 1940s, animals have led the way.

Since the dawn of spaceflight in the 1940s, animals have led the way.

Scientists relied on the crucial data gathered by these ‘animal astronauts’ to determine the biological limits of space travel.