Articles

Emily Lakdawalla

Thanks to the work of several amateurs, Google Mars is a great tool for following the past and future peregrinations of the Mars Exploration Rover Opportunity.

Emily Lakdawalla

Today Mars made its closest approach to the Sun -- as seen from Earth, that is. Why is this important?

Marc Rayman

Dawn continues its flight through the asteroid belt, steadily heading toward its July rendezvous with Vesta, where it will take up residence for a year. On January 10, Dawn performed some of the activities that it will execute in its low altitude mapping orbit (LAMO) at Vesta.

Emily Lakdawalla

I've spent the day noodling around in the current issue of Icarus, following up some of the more interesting stories within its table of contents, and came across a picture of this very cool crater -- actually, set of craters -- on Mars.

Emily Lakdawalla

In the past couple of months I've received several emails from scientists offering clarifications, corrections, or alternative points of view to previous posts, which is awesome and something that I enthusiastically encourage. Here's one of them.

Emily Lakdawalla

Today the 365 Days of Astronomy podcast aired my contribution, Unmanned Space Exploration in 2011, about what to look forward to in solar system exploration this year.

Emily Lakdawalla

In a lovely talk, in his uncommonly engaging way, Steve Squyres presents the portrait of him that now hangs in the Smithsonian's National Portrait Gallery.

Emily Lakdawalla

These two movies were posted to the JPL website a couple of weeks ago, and they are just amazing.

Emily Lakdawalla

Mars Reconnaissance Orbiter has just snapped another photo of Opportunity sitting on the ground on Mars. These pictures never get old.

Emily Lakdawalla

While I was writing yesterday's blog entry on Mars Express' Phobos flybys I realized that I didn't understand Mars Express' orbit very well. So I sent an inquiry to the Mars Express blog, which they answered in a blog entry today.

Emily Lakdawalla

The Mars Express blog has been reactivated today, as a new series of Phobos flybys is already underway.

Emily Lakdawalla

Each day until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these squirrely spots?

Emily Lakdawalla

Time to open the seventeenth door in the advent calendar. Where in the solar system are these strange promontories?

Emily Lakdawalla

Today Opportunity has driven to within 20 meters of Santa Maria crater, and the blocks around it are really, really cool-looking. This one is a dead ringer for the severed tail of an alligator.

Emily Lakdawalla

Don't blink when you play the video below -- it's only 15 seconds long, but it's so cool.

Emily Lakdawalla

Opportunity is on a kilometers-long eastward road trip across Meridiani Planum toward the rim of a large ancient crater named Endeavour; it'll be many months yet before she gets there.

Emily Lakdawalla

Time to open the eleventh door in the advent calendar. Until the New Year, I'll be opening a door onto a different landscape from somewhere in the solar system. Where in the solar system are these sinuous ridges?

Emily Lakdawalla

Time to open the fourth door in the advent calendar. Where in the solar system is this crater-specked mound?

Emily Lakdawalla

To celebrate Mars Express' recent mission extension to 2014, here are some cool pictures that it took of Mars' inner and larger moon Phobos.

Emily Lakdawalla

JPL has just released some test images from the camera that has just been installed on the end of the Curiosity rover's robotic arm.