Euclid, a European space telescope, just captured 26 million galaxies to reveal the secrets of the dark universe.

This story appears in the May 2018 issue of National Geographic magazine. Juna Kollmeier wants to understand the substance of the universe: What forms space structures like galaxies, supermassive ...

This story appears in the July 2019 issue of National Geographic magazine. National Geographic has always been at the forefront of lunar mapping. As the Apollo program closed in on its goal ...

Get a sneak peek at Academy Award-winning actor Geoffrey Rush and newcomer Johnny Flynn as Nobel Prize-winning physicist Albert Einstein, in National Geographic's global event series GENIUS ...

This story appears in the July 2009 issue of National Geographic magazine. When you start stargazing with a telescope, two experiences typically ensue. First, you are astonished by the view ...