Water is the universal yardstick of comet science, the baseline for measuring how sunlight drives a comet's activity and ...

Skyscrapers aren’t as rigid as they look - they sway in the wind and shake in earthquakes. This video reveals how hidden liquid dampers keep them steady, safe, and standing tall.

The International Space Station is leaking air in above-normal volumes, but the leak presents no danger to the Russian-American crew, the Russian space agency Roscosmos said on Tuesday.