Explore the extreme seasonal changes and climate shifts of an Earth with its axis tilted by a dramatic 90 degrees.

But if we tilted Earth's axis even more, to 90 degrees, the US would get sunlight 24/7, around the clock, for months on end. And it's not just the US; the entire Northern Hemisphere would be like ...

According to this theory, the Earth had no tilt before Theia’s impact. With no tilt, the location of sunshine on Earth was consistent. But that 23.5-degree tilt changed everything, causing the seasons ...