European Space Agency
A wild miscalculation proved fatal.
'This kind of tantalising result on a long held mystery is the kind of thing that keeps us going.'
Scientists must now search through the data to discover what actually happened...
If successful, it'll be the first ESA Mars landing in 15 years
The launch didn't exactly go to plan.
"From #67P with love"
Rita Schulz was the lead scientist on the Rosetta mission.