SpaceNASA probe will hurtle past the most distant object we’ve ever visited In 2015, NASA’s New Horizons spacecraft whizzed past Pluto. Now it is about to arrive at Ultima Thule, a tiny space rock 6.6 billion kilometres away from Earth News
SpaceEarth may have a pair of 'ghost moons' made of dust trapped in orbit Photographs show signs of a ghost moon, a translucent gas cloud that orbits Earth along with our moon. But some say the images are not definitive News