Dean W. Armstrong

I won't get into the long-recognized shifting of the Sun's position and the calendar with regards to the zodiacal signs--as someone ...

I got Making Things Talk as a gift from a great friend of mine and I just ran two of the projects in the "Identification" chapter...

with the Pleiades and a rising Moon.

3D printing and mobile security are two big trends to watch. The next big thing will be 3D printing. It's a hobbyist field right now, w...

The eclipse season continues, as the Moon's nodes--the intersection line of the Moon's orbital plane and the Earth's orbital pla...

In addition to causing breast cancer, light pollution has now been shown to affect the atmospheric chemistry at night in urban regions, inc...

A rare occultation of a star by the Kuiper Belt Object known as Eris was recorded in several stations in Chile and at first glance the data ...

Oh man, this is great . The radar images from last week indicated the comet was dog-boned shaped but the close-ups from the former Deep Imp...

The bright "star" next to the nearly Full Moon tonight was Jupiter, in case you were wondering.

Hi. I've spent much of my life outside at night looking up. I've seen some amazing things. I've never seen a UFO. I've s...

This in an interesting swarm of earthquakes just to the north of Scotty's Castle in Death Valley. http://earthquake.usgs.gov/earthquakes...

"The magic numbers, as we know them now are : 2, 8, 20, 28, 50, 82, 126 and most importantly, they are the same for neutrons and proton...

The newish fluorescent light (well, added in 1999 to make up for a lost skylight) fixture in the RAS office must have an electronic ballast ...

Phil Plait points out pits on the Moon ! Click to enlarge. Images via NASA/GSFC/Arizona State University/LROC

Did you know the distance between the center of the slots in the 120V standard AC outlet is exactly 1/2 inch? And so is the distance betwee...