The Rosetta Spacecraft took an intimate Valentine's Day photo series of Comet 67P. (ESA/Rosetta/NavCam) The European Space Agency's Rosetta space probe had an intimate Valentine's Day date with Comet 67P, and the result is a series of stunningly detailed photos. In a blog post, the ESA said last Saturday and took photos with the spacecraft's NAVCAM above the comet's "Imhotep region." With 16 individual frames, the ESA pieced together the images to form a mosaic and capture the comet as...

After a 6½-hour spacewalk outside the International Space Station on Wednesday, one of the astronauts discovered water had leaked into his helmet, NASA said. The leak was scarily reminiscent of a . This time, the amount of water was relatively small — essentially a big blob of water floating inside Terry Virts' helmet. In the summer of 2013, another spacewalking astronaut's helmet actually flooded. He barely made it back inside. Virts was never in any danger, Mission Control said. This...

NASA's New Horizons spacecraft captured thrilling first-ever images of Pluto's moons, Nix and Hydra, exactly 85 years after the icy planet was first discovered. Between Jan. 27 and Feb. 8, the craft from 125 million to 115 million miles away, according to the mission website. The images provide our best view to date of the small satellites orbiting the dwarf planet. NASA had only just become aware Nix and Hydra existedin 2006, NBC reports. The glare from Pluto and its...