If you want to feel small and get a sense for the awesomely overwhelming scale of the universe and all of its planets and stars and empty space, watch this star size comparison video. It starts with ...

Add Yahoo as a preferred source to see more of our stories on Google. Illustration of a white dwarf star next to a large, hot planet A newly discovered star system is breaking records — and helping ...

Twinkle, twinkle little star – and show us just how little you are. Starlight captured by the Kepler space telescope has revealed that the amount a star flickers is tied to its size, offering a better ...