Isn’t a Blue Moon the 2nd full moon of a calendar month? Why isn’t that the case this month? How did Blue Moons become part of folklore, anyway? The story of Blue Moons, here.

We know it’s possible to squeeze 4 full moons into a single season. But can a season have just 2 full moons? Turns out it can.

Eta Aquariid meteors radiate from the Y-shaped group of stars called the Water Jar in the constellation Aquarius. Here are 2 ways to find it.

Mars pops out at nightfall. Jupiter comes up later, and Saturn later still. Venus sits low in the east at dawn. Southern Hemisphere skywatchers might catch Mercury in early May, but it’s lost in the sunrise from middle and far northern latitudes.

The new moon on May 4 will provide inky black skies for this year’s Eta Aquariid meteor shower. No matter where you are on the globe, watch for meteors on the several mornings around May 5.

You don’t need to find the radiant to see the meteors. But it’s fun to spot, near the bright star Vega.

In 2019, April 23 is the expected peak morning. There will be a bright waning gibbous moon in the sky. Want to make the most of this year’s Lyrid meteor shower? Here’s how.

Will future Mars explorers have a North Star to guide them?

Looking for an easy, but profound, sky activity? Note how far the sunset moves on your horizon, as spring shifts toward summer, or autumn toward winter, on your part of the globe.