All
All
Stories, updates, insights, and original analysis from The Planetary Society.
The Mars Exploration Rovers Update: Spirit Settles into Winter Spot, Opportunity Descends Deeper into Victoria Crater
With fall slowly passing in the southern hemisphere of Mars and winter looming on the horizon, the Mars Exploration Rovers carried on with business as usual in February, working as much as possible before the reduced sunlight and beyond-frigid temperatures of the dreaded season set in.
Sisters Are Doin' It for Themselves
Sisters Are Doin' It for Themselves
Pretty pictures from Cassini: Rhea, Saturn, and Janus
Pretty pictures from Cassini: Rhea, Saturn, and Janus
Carnival of Space #43
Carnival of Space #43
Five Myths About the Satellite Smash-Up
Five Myths About the Satellite Smash-Up
How dark is your sky?
How dark is your sky?
Tag it, track it!
Tag it, track it!
Mapping Meridiani: Part 2
Last time, I gave some of the background information about my research. Now, armed with that knowledge, we can press forward and talk about what I do.
Chandrayaan-1 launch delayed to July
Chandrayaan-1 launch delayed to July
Apophis Mission Design Winners Announced!
Apophis Mission Design Winners Announced!
Ulysses to fall silent, its voyage to continue forever
Ulysses to fall silent, its voyage to continue forever
Mapping Meridiani: Part 1
The mantra of Mars exploration is
White Rock through the ages: Mars Global Surveyor (1997-2006)
We first spotted the strange bright feature colloquially known as
Carnival of space #42
Carnival of space #42
Dark-halo craters on Mercury
Dark-halo craters on Mercury
Lunar eclipse tonight
Lunar eclipse tonight
Showing off Saturn's moons
There was a press release from the Cassini mission today about a pile of papers (14 of them!) being published in the journal Icarus about Saturn's icy moons. I haven't had time to read more than the overview article yet, but I wanted to come up with a graphic for an overview of Saturn's moons, and I couldn't resist delving into the massive database of Cassini images to produce something new
"Moon?"
It's a legal holiday here in the U.S. (President's day), and my daughter's babysitter is taking the day off, so I won't be getting much work done today. But I thought I'd check in to share the fact that, as we got out of the car last week, my daughter pointed up in the sky at the crescent moon and said
Accounting for general relativity at Mercury
Accounting for general relativity at Mercury
Carnival of space #41
Carnival of space #41



Sun
Mercury
Venus
Earth
Mars
Jupiter
Saturn
Uranus
Neptune
Small Bodies