NASA - National Aeronautics and Space Administration

Five Years of Cruising on Mars

Is an Asteroid Heading Toward Mars?

NASA astronomers are tracking asteroid 2007 WD5, which they calculate has a 1 in 75 chance of hitting Mars in late January.

Recent Water Gushes and Craters on Mars

Scientists have observed two gullies on Mars that have fresh deposits, which they believe were formed by water flowing out within the past five or seven years.

Podcast: Approaching the Red Planet

Mars Reconnaissance Orbiter nears its March 10 arrival at the red planet.

Podcast: Mars Rover Update

Part 2 of an interview with rover scientist Dr. Steve Squyres.

Podcast: Mars Rover Update with Dr. Steve Squyres

Part 1 of an interview with rover scientist Dr. Steve Squyres.