According to the definition by the National Geographic Society, the tropics are the regions that lie either in the latitude lines 23.5 degrees North of the Equator or 23.5 degrees South of the Equator ...

Last month I wrote about why the Tropic of Cancer and the Tropic of Capricorn are related to the 23.5 degree tilt of the Earth’s axis: The Sun’s furthest point north or south, called the solstice, is ...

From Mexico's beautiful Pacific coast to the coral paradise of the Bahamas, this first leg of Simon Reeve's epic circumnavigation of the globe is a spectacular journey revealing much about life on the ...

Imagine a river starting in the hills, flowing across states, looping, and touching the Tropic of Cancer line twice. The Tropic of Cancer is a crucial imaginary line of latitude. It lies at 23.5° ...