[maxerickson]

It's apparently an ongoing project:

http://channel.nationalgeographic.com/channel/a-night-of-exp...

And they found blood:

http://www.cnn.com/2013/05/30/world/asia/siberia-mammoth-blo...

[dhughes]

Or an actual 68 million year old T. rex leg bone with blood vessels, still soft: http://www.smithsonianmag.com/science-nature/dinosaur.html

[chc]

But AFAIK nobody really believes you'll find readable DNA in there. It just doesn't last more than a couple of million years no matter how carefully you preserve it.

[andrewflnr]

I don't remember which source it was, but I remember they did claim to have (partially) sequenced it, and found that it's nearest living relative was chickens.