Add Yahoo as a preferred source to see more of our stories on Google. Sometimes science needs to go big. From telescopes spanning the globe to particle accelerators that would take over 24 hours to ...

Picture all of Earth’s oceans, which cover about 70% of the planet and are mostly made of hydrogen. Now multiply that by nine. That may be the amount of hydrogen in Earth’s core, possibly making it ...

Do you want to pique children's interest in weather? Check out the video above for three weather experiments that are sure to captivate and educate. These hands-on activities will engage young minds ...

Scientists have long known that Earth's core is mostly made of iron, but the density is not high enough for it to be pure iron, meaning lighter elements exist in the core, as well. In particular, it's ...

Microorganisms from our planet could survive on celestial bodies where water is present, such as Mars. That is the conclusion of Ph.D. candidate Tommaso Zaccaria after experiments with simulated space ...