Scientists have discovered a "chemical equator" that divides the polluted air of the Northern Hemisphere from the largely uncontaminated atmosphere of the Southern Hemisphere. IE 11 is not supported.

Despite the monument in Ecuador’s Middle of the World City, that is not the actual site of the equator, which modern GPS has pinpointed about 790 feet down the road. (And that spot is in dispute ...

Earth's equator is an imaginary line around its center, which is equidistant ... Lines of longitude are imaginary lines running over the globe, connecting the North Pole with the South Pole.

Cobo on the line of the Equator at the giant Quitsato sundial. Photo by Kurt Hollander. Cristóbal Cobo, a deep-voiced outdoorsman in his late 40s and self-taught Ecuadorian astronomer ...

The odd bits of neckwear which are on show - by both men and women - appear to be worn for fashion reasons rather than a way to conform with… ...

Earth's rotation is expected to speed up in July and August this year, resulting in shorter days. Specifically, July 9, July ...