Add Yahoo as a preferred source to see more of our stories on Google. The 'unseen world' of microscopic engineering creates immediate curiosity. The high-speed motion of golden silk emerging from the ...

Last week I took this photo of a dragonfly that was buzzing in the grass near a pond. As I approached it and photographed it, I could see that it had caught its feet in a spider's web. There was no ...

ITHACA, N.Y. -- Among our solar system’s many moons, Saturn’s Titan stands out – it’s the only moon with a substantial atmosphere and liquid on the surface. It even has a weather system like Earth’s, ...