Re:Egypt's Pyramids May Have Been Built on a Long-Lost Branc...
by tiffanyh on Thursday May 16, 2024 @01:08PM
(#40380701)
> We know that the Earth has had at least five major ice ages. The first one happened about 2 billion years ago and lasted about 300 million years. The most recent one started about 2.6 million years ago, and in fact, we are still technically in it.
https://www.space.com/ice-ages-on-earth-could-humans-survive