1587 in science
The year 1587 in science and technology included many events, some of which are listed here. Exploration
 c. March – An edition of Peter Martyr d'Anghiera's De Orbe Novo ("On the New World", 1530) edited by Richard Hakluyt is published in Paris with a new map of the Americas. Mathematics
 Franciscus Patricius publishes Della nuova geometria in Ferrara. Births
 January 5 – Xu Xiake, Chinese explorer and geographer (died 1641)
 January 8 – Johannes Fabricius, Frisian astronomer (died 1616)
 October 22 – Joachim Jungius, German mathematician, logician and philosopher of science (died 1657)
 Song Yingxing, Chinese encyclopedist (died 1666)

Deaths
 January 28 – Francisco Hernández de Toledo, Spanish physician and botanist (born 1514)
 Possible date – Humphrey Baker, English arithmetician

 
16th century in science
1580s in science