Articles

A new surprise from Mars Global Surveyor

Some random items: Clouds on Mars, telescopes on Earth, missions to the Moon

The Mars Exploration Rovers Update: Spirit Takes in Home Surroundings, Opportunity Roves to Cape Verde

Brandishing the trademark resilience that has endeared them to millions of people around the world, the Mars Exploration Rovers kept their robotic noses to the grindstone through March, soldiering on into their third Martian winter with slightly more power than predictions anticipated and enough proven mettle to dodge a budgetary pothole on Earth that might have taken one of them out of action. Now, 50 months after Spirit defied the odds and bounced safely to an upright landing and Opportunity followed with the impossible scoring of a 300-million-mile hole-in-one, the twin robot field geologists are driving the MER mission into new territory once again.

Space pens

White Rock from Mars Express: color view

White Rock through the ages: Mars Express (2004-present)

When we last visited White Rock on Mars, both Mars Global Surveyor and 2001 Mars Odyssey were mapping the planet.

Carnival of Space #47

Cassini Finds Enceladus Tastes Like a Comet

Alan Stern has resigned

Saturn, Tethys, and Titan

I thought that today's image release from the Cassini imaging team was exceptionally pretty.

Spot three spacecraft

Spirit, seen from space

The HiRISE instrument on Mars Reconnaissance Orbiter really is a spy camera in space. Check out this sequence of nine images from the HiRISE archives, which Doug Ellison pulled together into an animation covering more than a year of Spirit's mission.