Observing
A 3-D Printed Telescope Took This Picture Of The Moon — And The Plans Are Coming
What would Galileo think of this? Here's a shot of our closest large celestial neighbor, the Moon, taken through a…
Stalking Uranus: A Complete Guide to the 2014 Opposition Season
It’s no joke… now is the time to begin searching the much-maligned (and mispronounced) planet Uranus as it reaches opposition…
How to Take Great Pictures of the Northern Lights
Everybody loves pictures of the northern lights! If you've never tried to shoot the aurora yourself but always wanted to, here…
Tales (Tails?) Of Three Comets
As the Chinese proverb says, “May you live in interesting times,” and while the promise of Comet ISON dazzling observers…
How Dark Matter Could Reduce The Fleet Of Galaxies Following The Milky Way
Funny how small particle interactions can have such a big effect on the neighbors of the Milky Way. For a…
Guide to Tonight’s Big Harvest Moon
Tonight, September 8, the Harvest Moon rises the color of a fall leaf and spills its light across deserts, forests, oceans and cities.…
Speed Demon Asteroid Sprints Safely Past Earth Today
Earth-approaching asteroid 2014 RC ripped pass Earth today, got its orbit refashioned by our planet's gravity and now bids us adieu. I…
Get Set for the Super (or Do You Say Harvest?) Full Moon 3 of 3 for 2014
Time to dust off those ‘what is a perigee Full Moon’ explainer posts… the supermoon once again cometh this weekend…
Amazing Video Timelapse Of Big Telescopes At Work In Chile
What's it like to spend a night at a huge telescope observatory? Jordi Busque recorded a brilliant timelapse of the…
Enjoy This Eye-Meltingly Awesome Photo of Our Sun
Here's yet another glorious photo of our home star, captured and processed by New York artist and photographer Alan Friedman on…