An asteroid that orbited near Earth for a few months as a mini-moon may be a chunk of the moon that was blasted off by an impact thousands of years ago.
The magnetized rocks of Earth's crust and mantle, also known as the upper lithosphere, accounts for generating 6 percent of ...
Harvard-affiliated astronomers mistook Elon Musk's Tesla Roadster for an asteroid near Earth. Initially flagged as "2018 CN41 ...