Discover three science milestones from December 4! Explore how the International Space Station began taking shape, how Alfred Hershey’s research helped show that DNA carries genetic information, and how Gemini 7 tested the limits of human spaceflight. These events make engaging science starters for middle and high school. Explore 132 daily STEM events in the December Science on This Day activity set, with interactive HTML, slides, spreadsheet and printable PDF.

Explore December 3 in science history: the first human-to-human heart transplant, Pioneer 10’s historic Jupiter flyby, and the birth of X-ray spectroscopy pioneer Manne Siegbahn. Connect biology, space exploration and atomic physics with practical classroom discussion ideas. The December Science on This Day calendar features 132 STEM events in interactive HTML, slides, spreadsheet and printable PDF formats.

Discover December 2 in science history: Enrico Fermi’s first self-sustaining nuclear chain reaction, the Hubble Space Telescope repair mission, and Mars 3’s first soft landing on Mars. Explore nuclear physics, engineering, space exploration and scientific problem-solving with practical classroom connections. The December Science on This Day calendar includes 132 STEM events in interactive HTML, slides, spreadsheet and printable PDF formats.

Explore November 30 in science history: Mark Twain’s unusual connection to Halley’s Comet, Jagadish Chandra Bose’s pioneering work on radio waves and plant responses, and the meteorite that struck Ann Hodges in 1954. These stories connect astronomy, physics and biology with ready-to-use classroom discussion ideas. Discover interactive activities, slides, spreadsheets and printable resources in the November and December Science on This Day calendars.

On November 28 in science history, the Royal Society was founded in 1660, NASA launched Mariner 4 toward Mars in 1964, and Magellan’s expedition entered the Pacific in 1520. Explore how scientific evidence, space exploration and navigation changed our understanding of the world, with practical classroom discussion ideas for middle and high school. Discover 109 STEM stories in my November Science on This Day resource, plus 132 events in the December collection.

On November 27, discover how Anders Celsius's temperature scale was reversed, why Alfred Nobel created the Nobel Prizes, and how the Soviet Mars 2 lander became the first human-made object to reach Mars. These science history stories connect physics, ethics and space exploration, with practical discussion ideas for middle and high school science. Explore 109 events in my November Science on This Day classroom resource, available in interactive HTML, slides, spreadsheet and PD

Explore November 26 in science history: Willis Carrier’s work on air conditioning, Howard Carter’s view into Tutankhamun’s tomb, and NASA’s Curiosity and InSight missions to Mars. Discover how engineering, archaeology and planetary science collect evidence and solve problems, with practical classroom discussion ideas and more November and December milestones. Explore the November and December Science on This Day resources for ready-to-use science starters.

Explore November 25 in science history: the Great Storm of 1703 and how scientists reconstruct historic weather, Julius Robert von Mayer’s contribution to conservation of energy, and Einstein’s final field equations for general relativity in 1915. Includes practical classroom discussion ideas and more STEM milestones for November and December. Discover the November and December Science on This Day resources for ready-to-use science starters.

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.

Explore November 22 in science history: Louis Néel’s research into magnetic materials, Andrew Huxley’s work on nerve impulses, and the release of *Toy Story*, the first feature-length computer-animated film. Includes classroom discussion ideas and more STEM milestones for November and December. Explore the November and December Science on This Day activity sets for ready-to-use science history starters.

Explore November 21 in science history: the first untethered human balloon flight in 1783, Thomas Edison’s phonograph announcement in 1877, and Einstein’s mass-energy paper published in 1905. Includes practical classroom discussion ideas for middle and high school physics, sound, engineering and scientific models, plus a preview of upcoming November milestones and ready-to-use November and December STEM calendar resources.

Explore November 20 in science history with Edwin Hubble and the discovery of galaxies beyond the Milky Way, Benoît Mandelbrot and fractal geometry, and the launch of Zarya, the first International Space Station module. Includes classroom discussion ideas for middle and high school science, mathematics, engineering and computing, plus a preview of November 21 science milestones.

Explore November 19 science history through Mikhail Lomonosov and conservation of matter, Nobel Prize-winning chemist Yuan Tseh Lee’s research into molecular reactions, and Apollo 12’s lunar landing near Surveyor 3. Includes practical classroom ideas for chemistry, reaction rates, materials science and space exploration, plus more daily STEM stories in The Teaching Astrophysicist’s November Science on This Day resource set.

Explore November 17 science history with August Möbius and the Möbius strip, the opening of the Suez Canal in 1869, the Leonid meteor storm of 1966, and the Moon rover Lunokhod 1. Discover practical classroom ideas for mathematics, engineering, astronomy and robotics, plus more daily STEM stories in The Teaching Astrophysicist’s November Science on This Day resource set.

Explore November 16 in science history! Discover Fleming's thermionic valve and early electronics, UNESCO's role in international scientific cooperation, and the Arecibo message sent towards a distant star cluster in 1974. These events connect physics, computing, astronomy and science communication with practical classroom ideas. Explore 109 STEM stories in The Teaching Astrophysicist's November Science on This Day resource.

Discover the science history of November 15! Explore Johannes Kepler's laws of planetary motion, William Herschel's discovery of infrared radiation, and the Intel 4004 microprocessor. These science history facts connect astronomy, physics, mathematics and engineering with practical classroom activities for middle and high school. Explore 109 STEM stories in The Teaching Astrophysicist's [November Science on This Day resource](https://theteachingastrophysicist.sellfy.store/p/n

Explore Science on This Day for 13 November with the great Leonid meteor storm of 1833, the Holland Tunnel’s engineering, and the Nevado del Ruiz eruption and Armero disaster. Find practical middle and high school activities connecting astronomy, ventilation, volcanic hazards and risk communication. Discover 109 November science history stories in four classroom-ready formats.

Explore Science on This Day for 12 November with Voyager 1’s encounter with Saturn, the Space Shuttle Columbia’s second mission, and the 1990 World Wide Web proposal. Find practical middle and high school activities connecting planetary science, reusable spacecraft engineering and computing. Discover 109 November science history stories in four classroom-ready formats.

Explore Science on This Day for 11 November with Tycho Brahe’s observations of a supernova, the Einstein-Szilard refrigerator design, and NASA’s Gemini 12 mission. Find practical middle and high school activities connecting astronomy, thermal physics, engineering design and space exploration. Discover 109 November science history stories in four classroom-ready formats.

Explore Science on This Day for 10 November with World Science Day for Peace and Development, the launch of Luna 17 carrying Lunokhod 1, and Microsoft's announcement of Windows. Find practical middle and high school activities connecting science and society, space robotics, communication delays and computing history. Discover 109 November science history stories in four classroom-ready formats.