See also: 1835 in science, other events of 1836, 1837 in science and the list of years in science.
Astronomy May 15 - Francis Baily, during an eclipse of the sun, observes the phenomenon named after him as Baily's beads. Biology October 2 - Naturalist Charles Darwin returns to Falmouth, England aboard the HMS Beagle after a 5-year journey collecting biological data he will later use to develop his theory of evolution. Theodor Schwann discovers pepsin in extracts from the stomach lining; first isolation of an animal enzyme. Chemistry French chemist Auguste Laurent discovers o-phthalic acid (1,2-benzenecarboxylic acid) by oxidizing naphthalene tetrachloride. The chemical compound acetylene, also called ethyne, was discovered by Edmund Davy. Awards Copley Medal: Jons Jacob Berzelius; Francis Kiernan Wollaston Medal: Louis Agassiz Births May 28 - Alexander Mitscherlich, chemist (+ 1918) Joseph Lockyear, astronomer Deaths June 10 - André-Marie Ampère, physicist