William Shatner, TV's Capt. Kirk, blasts into space

Hollywood's Captain Kirk, 90-year-old William Shatner, blasted into space Wednesday in a convergence of science fiction and science reality, reaching the final frontier aboard a ship built by Jeff Bezos' Blue Origin company.

See Mercury at sunset

The timing couldn't be better. Just as NASA's MESSENGER probe is about to enter orbit around Mercury, the innermost planet is popping out of the twilight for its best apparition of 2011.

Super harvest moon to produce rare twilight glow

For the first time in almost 20 years, northern autumn is beginning on the night of a full Moon. The coincidence sets the stage for a "Super Harvest Moon" and a must-see sky show to mark the change of seasons.

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