Add Yahoo as a preferred source to see more of our stories on Google. Imagine leaving your shiny metal bicycle outside in the rain. As water pools on its surfaces, oxygen from the air lingers nearby, ...

The Moon, long thought to be a barren and unchanging celestial body, is now showing a surprising and puzzling phenomenon: rusting. Scientists have recently discovered that oxygen particles from Earth ...

Mars has long been known for its rust. Iron on its surface, combined with water and oxygen from the ancient past, give the Red Planet its hue. But scientists were recently surprised to find evidence ...

Chief meteorologist Mark Dixon checks out the science behind using a fire extinguisher to fire a pencil into a piece of plywood. Here's Jan. 4's Science Sunday.