11
The smaller moons of Pluto are now believed to wobble about unpredictably as they orbit the dwarf planet.
9
The approaching spacecraft has snapped photographs of what appears to be polar ice on the dwarf planet.
7
After a journey of more than three billion miles the probe is expected to reach its destination in July.
93
Evidence suggests that two planets larger than the Earth may be present in the outer solar system.
28
The long-running NASA spacecraft will soon become the first ever to visit this distant, icy world.
11
The New Horizons spacecraft has managed to capture the orbit of Pluto's largest moon like never before.
3
New Horizons will be looking for signs of a subterranean sea when it reaches Pluto and Charon next year.
16
A new theory suggests that Pluto, like Europa and Enceladus, may be home to a liquid water ocean.
5
The fuel needed to send space probes on missions to other planets could run out within ten years.