NASA's Mars rover Curiosity, also known as the Mars Science Laboratory (MSL), launched atop an Atlas 5 rocket today to investigate whether Mars is, or ever was, habitable to microbial life.

NASA's Mars Science Laboratory Curiosity, a car-size rover, will launch toward Mars in November 2011. Take a photo tour of the Curiosity rover before its packed for Mars.

Fire away, Curiosity. NASA's intrepid Curiosity rover on Mars now has the ability to choose an interesting rock target and fire its scientific laser at it autonomously.

Scientists were stunned on May 30 when a rock that NASA's Curiosity Mars rover drove over cracked open to reveal something never seen before on the Red Planet: yellow sulfur crystals.

Curiosity is the name of NASA’s latest Mars rover, a car-sized nuclear powered robot whose lasers and sensors will hopefully help determine if the planet could ever have supported life. Launched ...

All systems appear go for the Saturday launch of NASA's next Mars rover, officials announced Wednesday. The car-size Curiosity rover, the centerpiece of NASA's $2.5 billion Mars Science Laboratory ...

Curiosity rover on track for pinpoint Mars landing Engineers are fine-tuning software and procedures to prepare for the entry, descent, and landing of NASA's $2.5 billion Mars Science Lab rover in ...

Curiosity rover is hunting for microbial life on Mars. NASA reconnaissance orbiter snapped its first-ever image of Curiosity moving across the planet.

The day after Thanksgiving may be “Black Friday” for American stores and shoppers, but this year, it’s a red letter day for scientists in Pasadena, as Saturday is blast-off for the next Mars ...

NASA has upgraded the software package on the Mars Curiosity Rover to reduce wear on the wheels and to improve the efficiency of power consumption.

The Curiosity rover detected the largest organic molecules to date on Mars, which may be fragments of fatty acids, or some of the chemical building blocks of life.