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Planets Mercury and Uranus at dusk
Innermost Mercury - and distant Uranus - are low in the western sky after sunset. Start looking for them as soon as your sky begins to darken.
March 26, 2017
Arcturus, a northern springtime star
Orange Arcturus is the constellation Bootes the Herdsman's brightest star. Look for it in the east around nightfall.
March 22, 2017
Equal day and night on equinox?
The sun is a disk, not a point of light. Plus Earth’s atmosphere refracts sunlight. For both reasons, we have more than 12 hours of daylight on the day of an equinox.
March 19, 2017
Venus about to leave evening sky
And Mercury is climbing into it. By late March, Venus will have moved to the east before dawn as Mercury stages its best evening apparition of the year for northern observers.
March 18, 2017
Weekend moon near Antares and Saturn
The moon is waning, appearing later each night. It's in a pretty inconspicuous place in our sky. But if you start watching these objects now, you'll get a preview of their excellent show coming up this June.
March 17, 2017
Moon and Jupiter March 13 and 14
Jupiter and the moon will appear as nighttime's two brightest lights. They'll be close as seen from around the world.
March 13, 2017
Full-looking moon edges toward Jupiter
On March 12, 2017, look east as darkness falls to see a brilliant, full-looking moon. Bright Jupiter will rise shortly after the moon, by early to mid-evening.
March 12, 2017
Last full moon of season this weekend
March 2017 full moon is the 3rd of 3 full moons between the December solstice and March equinox. Harbinger of spring for Northern Hemisphere. Southern Hemisphere's Harvest Moon.
March 11, 2017
Moon sweeps into Leo on March 9
The moon will spend several days traversing the large constellation Leo the Lion. Notice our moon, and Leo's stars, and contemplate the Earth and moon's long and varied history.
March 9, 2017
Find Mizar and Alcor in the Big Dipper
Early stargazers used this pair of stars as a vision test.
March 7, 2017
