My brain's officially in orbit and yours will be too. View Entire Post › ...

Curious minds wonder about the universe's stars. Scientists estimate trillions of galaxies, each with billions of stars, leading to a mind-boggling total of 10²² to 10²⁴ stars. This number, exceeding ...

Counting all the galaxies in the universe is hard. So hard, it seems, that it's possible to miss billions of them. A new analysis of Hubble Space Telescope data finds there are almost 10 times more ...