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.

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.

In total, Curiosity has fired its laser -- which is part of the rover's ChemCam instrument -- more than 350,000 times at about 10,000 targets, NASA said.

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 ...

When did Curiosity and Perseverance rovers launch? The Curiosity rover began its voyage to Mars in November 2011 during a launch from Cape Canaveral Air Force Station in Cape Canaveral, Florida.

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.

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 ...

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 early August.

Floods and Avalanches. Spotted from space years before Curiosity’s launch, Gediz Vallis channel is one of the primary reasons the science team wanted to visit this part of Mars.

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. CNN values your feedback 1.