Latest articles by Geoff Gaherty
Moon Has Close Encounters with Planets, Star This Month: How to See It
In mid-July 2013, skywatchers will be able to observe the moon moving in relation to Spica and Saturn. Also, Mars and Jupiter appear to move together in the morning sky.
See Venus Near Cosmic Beehive Tonight
Venus is shining low in the western evening sky. On Wednesday, July 3, Venus shines with the Beehive Cluster of stars. Here's how to see it.
Cosmic Scorpion: Scorpius Constellation Explained
The cosmic scorpion constellation Scorpius actually looks like its namesake, unlike many other constellations.
See Mercury and Earth's Summer Solstice This Week
Mercury and the solstice make this a can't-miss week in skywatching.
Trifecta of Celestial Wonders Shines in This Week's Night Sky
The moon, Saturn and the bright star Spica shine together.
Spotted! A Rarely Seen Constellation Shines This Summer
Ophiuchus, a rarely spotted constellation, makes an appearance in the summer sky.
See Jupiter, Venus and Mercury Dance in Sunset Sky
Don't miss your chance to see three bright planets in the night sky.
Best Time to See Moon Mountains in May Is Now
The mountains of the moon are visible for those that wish to see them this month.
This Week's 'Ring of Fire' Solar Eclipse: What You Need to Know
Parts of Australia and the Pacific region will get a rare skywatching treat on Thursday and Friday.
See a Celestial Circus Below Saturn This Week
Bright constellations, galaxies and a globular cluster are on show in the night sky.
See Saturn at Its Best In the Weekend Night Sky
Saturn will be at its best and brightest in the predawn sky on Sunday (April 28). Here's how to see Saturn at opposition.
How to See Where Astronauts Walked on the Moon
You can't see any footprints, but it's still neat to observe the six Apollo landing sites through a telescope.
Weekend Plans? Try Spotting Jupiter in Daylight
Want to see Jupiter in daylight? Here's how:
Spot 100 Deep-Sky Objects This Weekend in 'Messier Marathon'
You can see all but a few of the 110 Messier objects in a single night this weekend.
Cosmic Easter Eggs: Start Your Spring Galaxy Hunt This Weekend
Spring is the season for hunting galaxies. Look eastward around 10 p.m. this weekend to explore 'the realm of the galaxies.'
Vernal Equinox Marks First Day of Spring Today
The day and night are exactly the same length during today's equinox.
See Jupiter and Moon Shine with Comet Pan-STARRS This Week
A close conjunction of the moon and Jupiter is sure to dazzle stargazers this week.
Comet Pan-STARRS or PANSTARRS: What's In a Celestial Name?
Is it PANSTARRS, PanSTARRS or Pan-STARRS?
Bright Comet Pan-STARRS in Night Sky: How to See It
Comet Pan-STARRS is currently the brightest comet in the night sky in recent years, but only the opening act for 2013.
Rare 'Zodiacal Light' Visible in Night Sky Soon
Made of interplanetary dust, the Zodiacal Light is a faint haze in the night sky.
The Gibbous Moon: A Skywatching Guide
There's plenty to see now on Earth's nearest neighbor.
Bright Comets Grace Earth's Night Sky in February and March
Two comets in the Southern Hemisphere will light up the sky in late February before moving north in early March.
