The new year starts with a series of celestial events, from four planets being visible all month to the full moon passing right in front of Mars while Venus and Saturn kiss in the night sky on Jan. 17 ...

"Springtime on Earth has lots of trickling as water ice gradually melts. But on Mars, everything happens with a bang," Serina ...

A rare four-planet conjunction will be visible most of this month as Venus, Jupiter, Saturn, and Mars light up the sky.