/r/megalophobia: Megalophobia: Fear of Large Things - A place to post images of all things large, particularly ones that are "triggers" for those with megalophobia. - March 8, 2023 - 03:49
/r/geology: Geology! Before the World. - The scientific study of the origin, history, and structure of the Earth. - March 7, 2023 - 19:30
/r/natureismetal: Nature is Metal - Badass pictures, gifs and videos of the awesome true brutality of nature - March 7, 2023 - 07:29
/r/threebodyproblem: The Three-Body Problem - Anything and everything to do with Liu Cixin's award winning book 'The Three-Body Problem', and the 'Remembrance of Earth’s Past' trilogy. - March 7, 2023 - 14:22