Part 3/15:
In the 2000s, particularly around 2007, the Younger Dryas Impact Hypothesis was brought into the scientific forefront. It proposes that a comet or a series of fragmented comets struck Earth, causing widespread atmospheric explosions, megafauna extinctions, and abrupt climate shifts. The evidence aligns remarkably with the timeline of the Younger Dryas, a sharp cooling episode that lasted approximately 1,200 years before a sudden warming.