Getting out of the galaxy might take an antimatter engine. Future explorers departing the Milky Way will have to boost their spaceship to per cent of the speed of light, according to a study of fast-moving stars in our galaxy.
This view of a massive cluster of galaxies unveils a very cluttered-looking universe filled with galaxies near and far. Some are distorted like a funhouse mirror through a "space warp" phenomenon first predicted by Einstein a century ago.
Earth Like You've Never Seen It Before! How about a daily dose of perspective? Take a minute to experience these mind-blowing photos of our beautiful planet as seen from outer space!Click the link to see the full gallery.
“Philosophically, the universe has really never made things in ones. The Earth is special and everything else is different? No, we’ve got seven other planets. The sun? No, the sun is one of those dots.