- Our moon has been slowly drifting away from Earth over the past 2.5 billion years https://theconversation.com/our-moon-has-been-slowly-drifting-away-from-earth-over-the-past-2-5-billion-years-189937 732 comments space
- Our moon has been slowly drifting away from Earth over the past 2.5 billion years, research finds https://www.pnas.org/doi/full/10.1073/pnas.2117146119 187 comments science