Origin of Earth’s Water: A New Hypothesis Has Entered the Chat

Origin of Earth’s Water: A New Hypothesis Has Entered the Chat

For decades, scientists have been trying to work out just how the Earth got all its water, and the prevailing theory was that comets and asteroids brought it, and we have evidence for that mechanic; however, a new hypothesis has provided evidence that the water was already here, locked away in hydrous minerals in a very iron-poor core. Plus, magnetic fields, subatomic particles, life on the ocean floor, a geology mystery solved, and this week in rocket history covers a space shuttle mission with some really neat science.

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Q-balls Knock Matter Into Dominance Over Antimatter After Big Bang

Q-balls Knock Matter Into Dominance Over Antimatter After Big Bang

Researchers hypothesize that blobs in post-Big Bang fields of energy, known as Q-balls, could explain how matter came to dominate over antimatter in our Universe, and they plan to use gravitational waves to find their evidence. Plus, a crewed launch to the ISS features Japanese tourists, NASA selects the latest astronaut class, and What’s Up is the Geminids.

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