January and March 2018 have 2 full moons. February has none. Astronomer David Chapman explains moon cycles and calendars, with a word about moon names in the indigenous Mi'kmaw nation of Canada's northern woodlands.
On Sunday morning, Jupiter and Mars were half a moon-diameter apart. Now the moon is sweeping past. Plus Mercury and Saturn are in conjunction this weekend. Photos here.
When you see the sky's brightest star - Sirius - low in the sky, you're seeing it shine through an extra thickness of Earth's atmosphere. At such times, its colorful flashing might surprise you.