1553 in science

	… 1543; 1544; 1545; 1546; 1547; 1548; 1549; ; 1550; 1551; 1552; 1553; 1554; 1555; 1556; ; 1557; 1558; 1559; 1560; 1561; 1562; 1563 …;
	Art; ; Architecture; Literature; Music; ; Science +...;

The year 1553 CE in science and technology included a number of events, some of which are listed here.

Astronomy[]

Leonard Digges publishes his popular English language ephemeris, A General Prognostication.^[1]

'Vigenère cipher' first described by Giovan Battista Bellaso in his book La cifra del. Sig. Giovan Battista Bellaso (Venice).

May 10 – Sir Hugh Willoughby and Richard Chancellor set out from the River Thames to seek the Northeast Passage.^[2]
- August 14 – Willoughby sights what is probably Novaya Zemlya.^[3]
- August – Chancellor enters the White Sea and reaches Arkhangelsk.
Naturalist Pierre Belon publishes Les observations de plusieurs singularitez et choses memorables trouvées en Grèce, Asie, Judée, Egypte, Arabie et autres pays étrangèrs (Paris).
Conquistador Pedro Cieza de León publishes the Primera Parte of his Crónicas del Perú.^[2]

Venetian mathematician Giambattista Benedetti publishes Resolutio omnium Euclidis problematum, proposing a new doctrine of the speed of bodies in free fall.

Michael Servetus publishes Christianismi Restitutio, including an account of the circulation of the blood.^[2]
Publication in Spain of Libro del Exercicio, considered the first book on the benefits of physical exercise for health.

February 19 – Erasmus Reinhold, German astronomer and mathematician (b. 1511)
August 8 – Girolamo Fracastoro, Italian physician (b. 1478)
October 27 – Michael Servetus, Aragonese polymath (b. 1511) (executed for heresy)
Pierre Desceliers, French cartographer and hydrographer (born c. 1500)

^ Ronan, Colin A. (1991). "Leonard and Thomas Digges". Journal of the British Astronomical Association. 101 (6). Archived from the original on 2008-03-27. Retrieved 2012-01-25.
^ ^a ^b ^c Grun, Bernard (1991). The Timetables of History (3rd ed.). New York: Simon & Schuster. p. 245. ISBN 0-671-74919-6.
^ McDermott, James (2004). "Willoughby, Sir Hugh (d. 1554?)". Oxford Dictionary of National Biography (online ed.). Oxford University Press. doi:10.1093/ref:odnb/29599. Retrieved 2011-10-24. (Subscription or UK public library membership required.)
^ The Galileo Project - Valerio (Valeri), Luca has 1552, but Baldini and Napolitani proved that he was born in 1553.