No, it’s not a dream. Students in Cape Town, South Africa, have indeed used urine mixed with sand and bacteria to create ...

Ancient rocks once beneath the ocean hold clues of severe conditions unimaginable on today's planet. Artwork showing the Earth during the Cryogenian period. This geologic period lasted from 850 to 635 ...

While Toronto, London and Trenton, Ont., recorded their most frigid temperatures in several years during the early-morning hours on Saturday, another Ontario community reached its chilliest value in ...