Editing 1967 in science (section)

==Astronomy and space exploration==
* January 27 – Astronauts [[Gus Grissom]], [[Ed White (astronaut)|Ed White]], and [[Roger B. Chaffee]] are killed in a fire during a plugs-out test for [[Apollo 1]].
* January 27 – The United States, [[Soviet Union]] and [[United Kingdom|UK]] sign the [[Outer Space Treaty]].
* April 20 – [[Surveyor 3]] [[unmanned space missions|probe]] lands on the [[Moon]].
* April 24 – [[Soviet Union|Soviet]] [[astronaut|cosmonaut]] [[Vladimir Mikhaylovich Komarov|Vladimir Komarov]] is killed during the landing of [[Soyuz 1]].
* October 18 – The Soviet [[Venera 4]] probe descends through the [[Venus]]ian atmosphere, which it analyzes.
* October 19 – [[Mariner 5]] probe flies by [[Venus]].
* November 9 – [[Apollo program]]: [[NASA]] launches a [[Saturn V]] rocket carrying the unmanned [[Apollo 4]] test spacecraft from [[Cape Kennedy]].
* November – [[Pulsar]]s discovered by [[Jocelyn Bell Burnell]] working with [[Antony Hewish]] at the [[University of Cambridge]],<ref>{{cite journal|title=Observation of a Rapidly Pulsating Radio Source|last=Hewish|first=A.|author2=Bell, S. J.|author3= Pilkington, J. D. H.|author4= Scott, P. F.|author5= Collins, R. A.|date=24 February 1968|journal=[[Nature (journal)|Nature]]|volume=217|issue=5130|pages=709–713|doi=10.1038/217709a0|bibcode=1968Natur.217..709H|s2cid=4277613 }}</ref> for which Hewish is awarded a [[Nobel Prize in Physics]] in 1974. These rapidly pulsating radio sources are explained a year later as rotating [[neutron star]]s.
* [[NRAO]] builds the 36-foot [[Radio telescopes|Radio Telescope]], [[1984 in science|later to become]] the [[ARO 12m Radio Telescope]].