Parts of the International Space Station photobombed this scenic photo of Earth, with the full moon appearing as a tiny dot near the center. There's always something happening in space, and humanity is documenting it more quickly and clearly than ever before. Orbiting telescopes, astronauts and spacecraft are sending back a stream of photos that show off the diversity and wonder of the universe. Here are some of the best space photos of the year, so far. ESA's Sentinel 2...
