European exploration, exploration of regions of Earth for scientific, commercial, religious, military, and other purposes by Europeans, beginning about the 4th century bce. The motives that spur human beings to examine their environment are many. Strong among them are the satisfaction of curiosity, the pursuit of trade, the spread of religion, and the desire for security and political power. At different times and in different places, different motives are dominant. Sometimes one motive inspires the...