This image shows an insect fossil (some sort of fly?) found in the Florissant Formation of Teller County, Colorado, USA. It dates to the ...

This image shows a Cercis parvifolia (Redbud) fossil leaf found in the Florissant Formation of Teller County, Colorado, USA. It dates to...

I have made it to my 2000th posting and I thought I would write about something special. In the past, I have marked other milestone posti...