See also: 1602 in science,
other events of 1603,
1604 in science,
an the list of years in science.
Johann Bayer publishes the star atlas Uranometria.
The first sucessfull French colony in the North America, Acadia, is founded.
Accademia dei Lincei, the oldest scientific academy in the world, is founded in Rome
Girolamo Fabrici studies leg veins and notices that they have valves which only allow blood to flow toward the heart.
Abel Tasman, explorer
François Vieta, mathematician.