celestial

(Newser) - Forget those fancy GPS units: The US Naval Academy is again steering by the stars—sort of. Though celestial navigation was famously cut from the curriculum in the late 1990s and all fleet training wrapped up in 2006, short lessons on the subject are back on the syllabus this fall,...

(Newser) - Centuries from now historians will speculate about the ruins of a once-great city whose buildings lined up perfectly for a semi-annual celestial occurrence. But for now, New Yorkers merely stand, agog for once, awestruck by "Manhattan-henge." It's the twice-annual happening when skyscrapers are lined up just right...