Countdowns archive

December 2023

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20 articles

December 31
- 3 scary breakthroughs AI will make in 2024
December 29
- The 8 most Earth-shattering asteroid discoveries of 2023
- 16 tech projects from 2023 that could change the world
December 28
- 10 things we learned about our human ancestors in 2023
- 10 controversies that 'broke' science in 2023
December 27
- Northern lights photographer of the year winners
- 10 mind-boggling deep sea discoveries in 2023
December 26
- 10 solar storms that blew us away in 2023
December 25
- 8 animals that have virgin births
- 10 extraordinary treasures that archaeologists unearthed this year
December 24
- 10 times animals did weird things in 2023
- 10 scorching-hot discoveries made about the sun in 2023
- Nature's most stunning photos of 2023
December 23
- 11 jaw-dropping fossil discoveries that weren't dinosaurs in 2023
December 22
- 18 brain studies that blew our minds in 2023
- 8 stunning James Webb Space Telescope discoveries made in 2023
- 10 out-of-this-world solar system discoveries made in 2023
- 6 animals that change color in the winter
December 21
- 10 jaw-dropping dinosaur fossils unearthed in 2023
December 5
- 7 extraordinary African kingdoms from ancient times to centuries ago