PBS
Where Did Water Come From?
Mercury, Venus, and Mars are all super low on water – so where did ours come from and why do we have so much of it? We think our water came from a few unlikely sources: meteorites, space dust, and even the sun.
Nature League
How Old Is Water? | Q&A with Brit!
This week on Nature League, Brit Garner answers your questions about life on Earth, Nature League, and herself.