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2018’s 2nd Blue Moon on March 31

The name Blue Moon used to indicate something rare. Not anymore! Popular culture has defined several kinds of Blue Moons. The next one will be March 31.

Taurus? Here’s your constellation

How to find to find the constellation Taurus in your night sky. Plus the names of some of its bright stars and star clusters and its mythology.

Will you see the Humanity Star?

The debate surrounding the Humanity Star. Is it possible to see? Can you see it from your location? How to try to see it, if it’s visible, here.

Return of the young moon, and Venus

Two lovely and hopeful signs in the sky … the returning young moon and Venus. Photos here from the EarthSky community.

Why no full moon in February 2018?

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.

Groundhog Day has roots in astronomy

Groundhog Day is tied to the movement of Earth around the sun. It’s the year’s 1st cross-quarter day.

These 2 stars in Scorpius are harbingers of spring

Go ahead. Treat yourself to something beautiful, and hopeful: a glimpse of 2 stars that represented a Pawnee version of Groundhog Day.

Orion Nebula is a place where new stars are being born

Everything you need to know about the Orion Nebula. How to find it in your sky tonight. Plus … the science of this star factory in space.

How far is Betelgeuse?

Finding star distances isn’t easy. Here’s how it’s done, and why astronomers modified the distance estimate to the famous star Betelgeuse.

No double moon in 2018, or ever

2018 will be an excellent year to view Mars. The planet will be closer to Earth – and brighter in our sky – than since 2003. But as big as the moon? Heck no.