A new tiny ice world has been discovered beyond Pluto surrounded by a thin atmosphere, scientists revealed. The "mini-pluto" is thought to be the solar system's smallest object, but still has a ...

If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.

The astronomical discovery of the three outer most planets, Uranus, Neptune and Pluto expanded the frontiers of our Solar System. Western Astrology, which is more recent than Indian Astrology, went ...

Earth has a newly-discovered neighbor in the solar system. But the heavenly body – possibly a dwarf planet à la Pluto – isn't a frequent visitor. Located beyond Neptune, its extreme orbit ...

Eight years outbound from Earth, NASA's New Horizons probe passed the orbit of Neptune Monday, in good health and on course for a high-speed dash past enigmatic Pluto and its large moon Charon next ...