The greater the mass, the more extreme the curvature of space-time, and the stronger the influence of gravity. All of this is calculated with the equations that underpin general relativity ...

Space can be a wondrous place, and we've got the pictures to prove it! Take a look at our favorite space pictures here, and if you're wondering what happened to today in space history don't miss ...

NASA via Getty Images In 1915, physicist Albert Einstein put forth his theory of general relativity, which explained gravity as a product of the curvature of space and time. The theory paved the ...

Credit: Blue Origin Here's a round-up of space missions and cosmic events just around the bend. Bookmark this calendar and look for updates from Mashable throughout the year. SEE ALSO: NASA leader ...