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.
Saturn's unusual appearance in this picture is a result of the planet being imaged via an infrared filter.
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 ...
Three astronauts living at the International Space Station were forced to scramble to safety after what NASA described as a "close pass" by flying Russian space debris on Thursday.
Little Pluto is a little bigger than anyone imagined.
Scientists are receiving data that will offer the closest look ever of Pluto later Wednesday, after the unmanned NASA spacecraft whizzed by the distant dwarf planet.
When destined to stay close to Earth, spacecraft often must withstand the hazards of our space environment. They can be exposed to regular radiation showers from the sun and - if the space weather is particularly intense, ...