Every day about 50 tons of rocks from space fall on Earth. An examination of these meteorites has inspired a new theory about how exactly these rocks formed.

The glue that gives spider webs their stickiness is a form of spider silk protein. Researchers can imagine cool uses for a synthetic version – but had to wait for the tricky glue gene to be sequenced.

If headlines about bombings and airplane crashes are making you rethink your international travel plans this summer, a look at how many Americans actually die abroad should set your mind at ease.

As the debate over what ails philanthropy heats up, the questions are going beyond whether massive charitable donations help or hurt society.

A year after China stopped accepting most scrap material exports, other Asian countries are following Beijing's lead, forcing wealthy nations to find domestic solutions for managing their wastes.

Nigeria’s highly mobilized efforts to eliminate polio, and even tackle measles and other vaccine-preventable diseases along the way, may have lessons for the US.

Many tourists hold an outdated romanticized image of an abandoned temple emerging from the jungle. But research around Angkor Wat suggests its collapse might be better described as a transformation.

Muslims throughout the world will celebrate the holiday of Eid al-Fitr, a celebration at the end of Ramadan. Here's an introduction to this important feast and its partner, Eid al-Adha.

How engineers helped the Allies defeat Nazi Germany and win World War II.