New close-up images of Pluto from NASA's New Horizons spacecraft reveal a bewildering variety of surface features that have scientists reeling because of their range and complexity.
New images of dwarf planet Ceres, taken by NASA's Dawn spacecraft, show the cratered surface of this mysterious world in sharper detail than ever before. These are among the first snapshots from Dawn's second mapping orbit, ...
Think you have the right stuff to be an astronaut?
A Soyuz spacecraft carrying a Russian, a Dane and a Kazakh blasted off on Wednesday for a two-day trip to the International Space Station.
An unmanned NASA spacecraft whizzed by Pluto, beaming to scientists a message that it survived its historic encounter before sending back the closest look ever of the distant dwarf planet.
New data from MESSENGER, the spacecraft that orbited Mercury for four years before crashing into the planet a week ago, reveals Mercury's magnetic field is almost four billion years old. The discovery helps scientists piece ...
An unmanned NASA spacecraft will reveal details of Pluto's surface for the first time Tuesday, as it speeds by the dwarf planet after a near decade-long journey.
Japanese space scientists are on the hunt for a new name for an asteroid that may contain the secret of life, with a public competition beginning Wednesday.
Pluto's surface has long been a blur to sky watchers on Earth, but a NASA spacecraft on Wednesday should provide the first high-resolution images of the distant dwarf planet after a historic flyby mission.
A new view of Ceres, taken by NASA's Dawn spacecraft on May 23, shows finer detail is becoming visible on the dwarf planet. The spacecraft snapped the image at a distance of 3,200 miles (5,100 kilometers) with a resolution ...