Skywatching
Looking for Lunar Letters
This weekend offers backyard scope users a great chance to ferret out letters of the alphabet, etched across the lunar…
This Friday: The Moon Meets Mercury in the Dawn Sky
Watch that Moon this weekend, as it crosses the dawn sky, meets up with Mercury, and ushers in Ramadan 2016.
A Lord of Rings: Saturn at Opposition 2016
Get ready. Saturn reaches opposition for 2016 at the start of June, making it the best time to track down…
Hubble Telescope Zooms In On Mars
The Hubble Space Telescope gets in the act with a spectacular new close-up of Mars taken just days before opposition.…
A May Full ‘Blue Moon’ on Tap For This Weekend?
Why this weekend's Full Moon is considered 'blue'... but not in the usual sense.
Images of Today’s Transit of Mercury From Around the World
Amazing reader images of today's transit of Mercury across the face of the Sun from around the world.
2016 Eta Aquarid Meteor Shower Peaks May 5-6
If you notice a rise in meteors before dawn now through the weekend, you're not imagining things. It's the annual…
A Summer Comet: Our Guide to Observing X1 PanSTARRS
Get set to observe binocular Comet C/2013 X1 PanSTARRS this summer, as it moves from the dawn to the dusk…
Into the Red: Our Complete Guide to Mars Opposition 2016
The time to observe Mars is now, as the Red Planet heads towards a favorable opposition in May 2016. Here's…
April Lunacy: Getting Ready for the Full ‘Mini-Moon’
Why this week's Full Moon is the smallest of 2016. It's Mini-Moon season!