An anomalous magnetic region in the South Atlantic Ocean is growing, according to data that appeared in a government report published earlier this year.
Permanent displacement between Earth and the Moon is detectable by the Lunar Ranging laser system, which monitors the Earth-Moon separation by measuring steadily the roundtrip travel time of light to the Moon.
While it seems unlikely our world will end anytime soon with a giant asteroid collision, Netflix's "Don't Look Up" raises relevant questions about asteroids and their place in our galaxy.