• April 18, 2014
Explore the worlds beyond Neptune including Pluto, Kuiper Belt Objects and comets in this video of class 10 of Bruce Betts' Introduction to Planetary Science and Astronomy class.
• November 04, 2013
Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.
• December 18, 2012
My collage of all the asteroids and comets visited by spacecraft is probably the single most popular image I have ever posted on this blog. I've now updated it to be in color and to include Toutatis.
• November 18, 2010
Just in time for today's Deep Impact press briefing, which you can watch on NASA TV in a few minutes: I've updated my montage of all the asteroids and comets that have been visited and photographed to include Hartley 2.
• November 26, 2009
It's a holiday and I'm enjoying time with the family, so rather than write a lot, I will let a spectacular image do the talking for me.
Become a member of The Planetary Society and together we will create the future of space exploration.
LightSail 2 launched aboard the SpaceX Falcon Heavy. Be part of this epic point in space exploration history!