The Mechanics of Earth's Spin Earth rotates once in about 24 hours with respect to the Sun, but once every 23 hours, 56 ...

But, unlike humans, animals that travel long distances must rely on their own senses. And some of them have a long-range ...

Will the pole shift actually happen? Discover more about Earth’s magnetic poles and how they’ve shifted in the past.

By Tom Hawking Published Nov 30, 2025 9:00 AM EST Tayfun Coskun/Anadolu via Get the Popular Science daily newsletter💡 ...

The winter solstice marks the shortest day and longest night of the year, but when is it in 2025 and what more does it ...

Though the exact length of a "stadia" is unknown, his measurement is thought to be accurate to within one percent of the ...

This dramatic-sounding phenomenon is a naturally occurring component of the Earth’s atmosphere that can play a huge role in ...

We don’t often think about gravity, the invisible force that anchors us to Earth, as it always seems constant and dependable. However, it will slightly vary, sometimes by enough to make you weigh ...

Bogs show a climate shift 15000 years ago. Changing winds shaped rainfall and ocean carbon, and similar wind changes matter ...

"Every holiday season there is a mass migration of humans towards home and family. We use many tools to help us navigate back ...

The surface of Earth is finite. We can measure it. If it was expanding, then its size would grow with time. And once again, good ol' Earth helps us understand what the universe might be doing beyond ...