Articles

Emily Lakdawalla

Imagine this landscape: you're walking across an unusually smooth lunar surface, an impact melt sheet on the floor of a relatively recently formed crater.

Emily Lakdawalla

Coincidentally, two new images of Neptune were posted today, from two very different sources.

Bill Nye

Is Venus the forgotten planet, or just one that's hard to figure out?

Emily Lakdawalla

A couple of weeks ago Paul Schenk posted a few really cool videos to his personal blog. Paul's subspecialty is the topography of icy moons, and he's been doing a lot of work on the moons of Saturn lately.

Emily Lakdawalla

If I have to, I will drag reluctant people one at a time to plunge into NASA's Planetary Data System.

Björn Jónsson

This is a new, big mosaic of Voyager 1 images, this time showing the Great Red Spot at high resolution.

Emily Lakdawalla

NASA announced today that they had placed several new sets of historical photos on their

Emily Lakdawalla

Amateur image mage Björn Jónsson has recently turned his attention back to Voyager 1's close-up images of Jupiter.

Emily Lakdawalla

Rover fans have been excitedly watching the hills on Opportunity's horizon grow taller and taller as Opportunity rolls toward its destination, Endeavour crater.

Emily Lakdawalla

Following up on the story I first posted on August 22, the Jupiter impact fireball first noticed by Japanese amateur astronomer Masayuki Tachikawa has been independently confirmed by two other Japanese astronomers.

Emily Lakdawalla

This may be a very common event after all: another optical flash has been observed on Jupiter, again from an observer far east of the Greenwich meridian, though it was not Anthony Wesley (for once).

Jason Perry

Thanks to its active volcanic activity and sulfur-rich surface, Io is one of the most colorful worlds yet seen in the Solar System, save the Earth of course

Emily Lakdawalla

MESSENGER is in a unique position in the solar system, orbiting the Sun well within the orbit of Venus. From there, it can gaze outward from the Sun to search for tiny objects that may possibly be traveling in the same region, called vulcanoids.

Emily Lakdawalla

Over the last couple of days Cassini flew past Enceladus, Tethys and Dione, so there are lots of treats to see on the raw images website! You should go check it out for yourself, but here are a couple of real favorites.

Emily Lakdawalla

Congratulations to Scott Sheppard and Chad Trujillo for identifying the first known L5 Trojan asteroid of Neptune!

Emily Lakdawalla

The

Emily Lakdawalla

You know, I could fill this blog almost entirely with the amazing images that Gordan Ugarkovic locates, processes into prettiness, and uploads to his Flickr account.

Emily Lakdawalla

I've posted animations from Cassini before in which there are multiple moons moving around, but this is one of the coolest such sequences I've seen yet.

Emily Lakdawalla

Acidalia Planitia is a large basin in Mars' northern lowlands, a dark splotch visible even from Earth telescopes.

Emily Lakdawalla

I've spent a pleasurable hour or so browsing over the latest release of images from Cassini to the Planetary Data System.