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Astronomy Essentials

Tonight | Mar 17, 2014

Give me five minutes and I’ll give you Saturn in 2014

Only night owls and early birds can see Saturn this month. By April, Saturn will rise into the evening sky before your bedtime. Viewing tips and charts inside.

Photo credit: Gattou
Tonight | Mar 16, 2014

Can you tell me the full moon names?

For both the Northern and Southern Hemispheres, the full moons have names corresponding to the calendar months or the seasons of the year.

Groundhog Day
Tonight | Feb 02, 2014

Everything you need to know: Groundhog Day

Groundhog Day comes every year on February 2. It has its roots in astronomy, in the sense that it’s a seasonal festival, tied to the movement of Earth around the sun.

Jupiter's Great Red Spot
Tonight | Jan 12, 2014

Best time to see Jupiter in 2014 is now

Jupiter is always closest around the time of its yearly opposition, which came on January 5, 2014. For the rest of this month, Jupiter is at its best!

Hoax image via social media.
Tonight | Jan 02, 2014

Double moon on August 27?

Will Mars and the moon will appear the same size on August 27, 2014? Nope.

Quadrans Muralis via Atlas Coelestis.
Tonight | Jan 02, 2014

Everything you need to know: Quadrantid meteor shower

The 2014 Quadrantid meteor shower is likely to be at its best before dawn on January 3 for North America, and before dawn on January 4 in Asia.

Dec 29, 2013

Does a supermoon have a super effect on us?

A supermoon’s effects are imperceptible, far smaller than those encountered in other everyday situations, such as being near a mountain or even a large building.

Credit: Russell Croman
Tonight | Dec 24, 2013

Was the Christmas Star real?

A wondrous star has grown to be a major symbol of Christmas around the world. But what was it, really?

December solstice
Blogs | Tonight | Dec 20, 2013

Everything you need to know: December solstice 2013

The December solstice marks the longest night in Northern Hemisphere and longest day in the Southern Hemisphere. Celebration time!

Tonight | Dec 19, 2013

Ursid meteors active around December solstice

As many as 100 Ursid meteors per hour have been seen – but only in short bursts. Expect 5 to 10 meteors per hour.