Smooth, round pebbles found by NASA's Mars rover Curiosity provide more evidence that water once flowed on the Red Planet, according to a new study. The Curiosity rover snapped pictures of several ...

Introducing Pebbles Pay, where fans can score a free box of Fruity PEBBLES™ or Cocoa PEBBLES™ with a handful of rocks as payment at select Walmart locations Click here to download high-resolution ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Rocks found on Earth could hold clues on where to find water on Mars, according to new research ...

In Round Rock, a pop-up event allowed residents to trade-in rocks for a box of cereal. "We are at the Pebbles Pay Tour," said Chante Sexton, a representative for Post Consumer Brands. "Essentially ...