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Stargazers' delight: All five visible planets set to showcase

Congress is pushing NASA to develop a deep space habitat by 2018

Cassini probe to make one last flyby of Saturn's moon Enceladus

Cassini probe takes 'cosmic bulls-eye' of Saturn moons Enceladus,Tethys

Citizen scientists name planet in global contest

These Jupiter-like exoplanets aren't so dry after all

Saturn's largest moon Titan is bursting with color

Scientists begin to unravel mystery behind bright spots on Ceres

Second time lucky for Japan's Venus orbiter?

New Pluto photos show breathtaking views of dwarf planet