1534 in science

The year 1534 in science and technology included a number of events, some of which are listed here.

Astronomy

• Oronce Finé publishes in Paris.

Exploration

• April 20 – September 5 – Expedition of Jacques Cartier to the Gulf of Saint Lawrence.
• May 10 – Cartier reaches Newfoundland.
• June 9 – Cartier is the first European to discover the Saint Lawrence River.

Mathematics

• Petrus Apianus publishes ' in Nuremberg, on trigonometry and containing tables of sines.