How did the Earth get its water? The answer might be found on Mercury

I don’t know if you’ve noticed by now, but the Earth is a little bit wet. How Earth got all its water is one of the major mysteries in the formation of the solar system, and a team of Japanese researchers have just uncovered a major clue. But not on Earth—the clue is on Mercury.

Source:
https://phys.org/news/2020-11-earth-mercury.html