University of Alberta scientist Carlos Lange is thrilled that an instrument he invented, a wind sensor called the Telltale, has successfully landed on Mars.

ESA's Mars Express mission control team are ready to monitor Phoenix's critical entry, descent and landing onto the Martian surface on 26 May 2008.

Thanks to data from ESA's Mars Express mission, combined with models of the Martian climate, scientists can now suggest how the orbit of Mars around the Sun affects the deposition of water ice at the Martian South Pole.