Stargazers will be treated to a rare seven-planet alignment in February. This is what scientists hope to learn.
Mars, Venus, Jupiter, and Saturn can be spotted without special equipment, with Uranus and Neptune requiring a telescope.
Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in ...
I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the ...