NASA announces that "Voyager 2" entered into the interstellar medium after exiting the heliosphere on November 5.
NASA's "Dawn" spacecraft exhausts all of its hydrazine fuel propellant and without a functioning maneuvering system enters into uncontrolled motion around dwarf planet Ceres, thus ending its 11-year mission.
A pinch of fine sand and dust became the first solid Martian sample deposited into the Sample Analysis at Mars, the biggest instrument on NASA's Mars rover Curiosity. The sample came from the patch of windblown material called Rocknest, which had provided a sample previously for mineralogical analysis by CheMin instrument.
Scientists at NASA announce the Kepler mission's discovery of a planet orbiting two suns. This is the first unambiguous detection of a circumbinary planet, i.e., a planet that orbits two stars instead of one.