June sky shows planets before sunrise, Mars near Regulus, the glowing Milky Way, and the solstice with shifting daylight hours.

Scientists' best explanation for how planets form is called the core accretion theory. The birth of a planetary system begins ...

This June, the Milky Way’s brilliant heart lights up the night as planets align and the solstice sun marks Earth’s celestial tipping point.

Summer has arrived in the Chicago area, and while the astronomical start to the season has still yet to occur, a gorgeous ...