Explore November 24 in science history: the 1639 transit of Venus observed by Jeremiah Horrocks and William Crabtree, Charles Darwin’s *On the Origin of Species* published in 1859, and Apollo 12’s return from the Moon in 1969. Includes classroom ideas for teaching astronomy, evolution and space science, plus more science milestones for November and December. Discover ready-to-use Science on This Day resources for teachers.