The European Space Agency's Mars Express spacecraft recorded Curiosity's radio signals.
The Mars rover Curiosity, also known as the Science Laboratory, will launch in late 2011 and land on the Red Planet in August 2012.
The name is a tribute to the city in Canada's Northwest Territories, a famous jumping-off point for geologists.
The short-lived dust cloud is likely the crash of the descent stage for NASA's Mars rover Curiosity.
This color full-resolution space wallpaper showing the heat shield of NASA's Curiosity rover was obtained during descent to the surface of Mars on Aug. 5 PDT (Aug. 6 EDT).
This stunning space wallpaper of the landscape to the north of NASA's Mars rover Curiosity was acquired by the Mars Hand Lens Imager (MAHLI) on the afternoon of the first day after landing.
This space wallpaper taken by NASA's Curiosity shows what lies ahead for the rover, its main science target, Mount Sharp.