What's making these things fly out of the frozen continent?
NASA's Parker Solar Probe has passed through the outer atmosphere of the sun, and now we get to see what it found.
Nineteen newly discovered dwarf galaxies seem to be missing their dark matter, and physicists aren't sure why.
Standing on one moon, you'd see the other pass overhead twice before ducking around to pass on the other side.
Physicists think this might be the first of many hidden states of matter that could be uncovered using laser flashes.
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