The modules that the major space agencies plan to erect on the Moon could incorporate an element contributed by the human colonizers themselves: the urea in their pee. European researchers have found ...

According to the 12 astronauts that have walked on the moon, the lunar surface smells like gunpowder. However, in future there could also be a whiff or urine if the latest research comes to pass.

Urea, originally a byproduct of human urine, is a critical chemical found in everything from fertilizers to skin care products to diesel-powered vehicles. Unfortunately, synthetic versions of urea are ...