[Update (20:30 UT): The mission launched on time, and everything looks good so far! As I write this, the probe's orbiting the Earth. In a few hours (a little after 01:00 UT) it will make its burn to send it on its way to the Red Planet. Congrats to everyone involved in this mission!]
[UPDATE 2 (05:00 UT): There are problems, potentially serious ones, with the mission. As I write this what happened is not clear, but Emily is keeping up with the news.]
[UPDATE 3 (Nov 9, 16:00 UT): It looks like the spacecraft is in safe mode, meaning it shut itself off to prevent damage due to an unforeseen problem. The burn to move it out of Earth orbit and no to Mars did not occur, which means it still has all its fuel. This is very bad, but perhaps not catastrophic. Emily has the details.]
The Russian ...
