Dean W. Armstrong

Surely you've read the news story about a Chilean jet narrowly missing space debris near New Zealand. I can safely say, as the story i...

The waxing crescent Moon and Venus appeared in the unusually clear evening skies at Chicago on Tuesday.

I've been bad about posting, so here is an image I assembled from a video taken of Mars on July 30th, 2003. The prominent peninsula to...

The gorgeous plumes of Ionian volcanos rise into the sunlight on this image taken from the New Horizons spacecraft as it sped past Jupiter. ...

Ken commented on the appearence of snow shadows in a Pennsylvanian forest and made an interesting insight: "the snow can actually be c...

Chicago got a mostly cloudy eclipse--we never saw it fully eclipsed and only had glimpses as the Moon left the Earth's shadow. Here...

The ESA's Rosetta spacecraft flew by Mars yesterday on its long mission to reach Comet 67P/Churyumov-Gerasimenko in 2014. As is standar...

The moon wheels closer to full over the week, moving ever closer to its eclipse on Saturday. Image source: MMT Skycam .

The impressiveness of the Mars Reconaissance Orbiter's instruments continues to amaze me. Geek Counterpoint has a link to a HiRISE imag...

This unidentified hoax device was found in a Hyde Park establishment where it has been hanging up for over a year, hooked up with wires to l...

Technicolor aurora and Comet McNaught. From Spaceweather.com

Now that the Adult Swim light board is a known, non-terroristic device, Chicago Police Superintendent Phil Cline has saved! Chicago from mas...

CNN report on the ad campaign for a Cartoon Network TV show that closed universities, blocked river traffic, and caused mass overreaction. ...

Via Scientific American's blog , a link into Google's Flash application of world statistics, Gapminder , accurately described as ...

CNN is reporting that: President Bush, in Tuesday's State of the Union address, will propose a plan to cut U.S. gasoline consumption by...