Stellary Starry Universe

NASA’s New Horizons mission has reached a special milestone on its way to reconnoiter the Pluto system, coming closer to the dwarf planet than any other spacecraft.

NASA’s New Horizons mission has reached a special milestone on its way to reconnoiter the Pluto system, coming closer to the dwarf planet than any other spacecraft.

Dwarf planet Pluto is a world of mystery waiting to be visited for the first time. NASA's New Horizons probe is racing across the solar system for a close encounter that could dramatically alter what researchers "know" about Pluto and other small worlds.

Astronomers using the Hubble Space Telescope discovered a fourth moon orbiting the icy dwarf planet Pluto.

Astronomers using the Hubble Space Telescope discovered a fourth moon orbiting Pluto. The new satellite was uncovered in a Hubble survey searching for rings around the dwarf planet.