The first-quarter Moon shines high above Orion on the evening of March 24, 2018, in the feet of Gemini below Castor and Pollux.
Stars are time machines that can transport us into the past or future. They can also illuminate our own personal journeys, as Arcturus did for me one night.
Watch the low in the east-northeast for the rise of the "Spring Star," Arcturus. Find the Big Dipper high in the northeast and follow the curve of its handle far around and down to see where Arcturus will be.
Open clusters present a mystery. Some fall apart in a few hundred million years, others hang around for billions. Join me as we visit both the youngest and oldest star clusters in the Milky Way.
Friday, March 9 • Just after twilight fades away this week, bright Sirius stands due south on the meridian. Sirius is the bottom star of the equilateral Winter Triangle. The Triangle's other two stars are orange Betelgeuse (Orion's shoulder) to Sirius's upper right, and Procyon to Sirius's upper left. • In early dawn Saturday…
How and when to see Alpha Centauri, the Southern Cross, Omega Centauri, and many other celestial sights on a trip south of the equator.
Mercury and much brighter Venus glow shyly side by side very low in the west in twilight early in the week, then they slowly pull farther apart.
With winter's chill fading away, this is a great time to gaze up into the stars — and to be ready for an evening appearance by fleet-footed Mercury. This month's astronomy podcast guides you around the nighttime sky.
With this week's full Moon, the dazzling crater Tycho will be in full regalia. Time to catch some rays!
Friday, February 23 • First-quarter Moon (exact at 3:09 a.m. on this date EST). For North America this evening, the Moon shines left or upper left of Aldebaran, and farther upper right of Orion, as shown here. The Moon occults Aldebaran in daylight or twilight for northern and western Europe, and in darkness for…
After a long drought, a bright planet emerges in the western sky. Welcome back, Venus!
Now the waxing crescent Moon is easier to see in the west-southwest after sunset. Its curved side points the way down toward Venus.
Orion's Belt is a magnetic sight on February nights. Take the bait and revel in a bounty of double and multiple stars, nebulae, and more.
Sirius the Dog Star blazes in the southeast after dinnertime, the brightest star of Canis Major. Orion stands high to its upper right.
Frustrated with the high cost of a proprietary Go To, the author developed a free, open source, DIY option, rDUINOScope Boiana.
The Winter Hexagon fills the sky toward the east and south these evenings. Start with brilliant Sirius at its bottom. Going clockwise from there, march up through Procyon, Pollux and Castor, Menkalinan and Capella on high, down to Aldebaran, then to Rigel in Orion's foot, and back to Sirius.
February's astronomy podcast offers you a trio of bright planets to spot before dawn and a plethora of bright stars to check out each evening.
The launch of the Humanity Star has some fuming, others smiling, at the prospect of seeing a bright, new satellite. What do you think?
Get ready for a celestial event — a total lunar eclipse during the month's second full Moon and near lunar perigee — that hasn't happened in 35 years!
The Moon, two days past first quarter, shines to the right of Aldebaran and lower left of the Pleiades. The Great Square of Pegasus is sinking in the west.
A slow, relentless rhythm, known as the saros cycle, is hidden away in the movements of the Moon and Sun. How does it foretell eclipses — and how could Babylonians discover its existence long before modern science and technology?
An unusual dawn total lunar eclipse presents special challenges and great photo opportunities. Here's what you need to know to make the most of it.
Here's all you need to know to help us measure the size of Earth's shadow on Jan. 31, 2018.
A spectacular fireball seen by hundreds of people from Iowa to Ontario delivered precious samples from the asteroid belt to the lake country of southern Michigan Tuesday night.
Sirius twinkles brightly below Orion in the southeast. Around 8 p.m. Sirius shines straight below Betelgeuse in Orion's shoulder.