Like a celestial parade across the cosmos, five bright planets are lighting up the night sky and visible with the naked eye ...
Look to the bright moon for a convenient guidepost; it’ll pose with a different planet from one day to the next. Stand out dates include January 31 when the moon is closest to Saturn ...
Mercury joins the night sky to complete a seven-planet alignment just after sunset for the end of February. Saturn leaves our ...
The formation of our solar system from a singular nebula raises an intriguing question: why did each planet develop with a ...
While the composition of gas and dust in a molecular cloud is fairly uniform, everything changes once a star begins to form.