ChronoZoom – an interactive time scale showing the age of life, the universe and everything (if your computer has the right browser!).
John Phillips – the Time Lord of York (my article for York Mix).
A quick introduction to radiometric dating (University of California Berkeley).
How to calculate the age of meteorites (or anything else for that matter).
Fossils & Extinction
From soup to cells (Berkeley introduction to the origins of life on Earth).
Solving Darwin’s Dilemma – Precambrian rocks really do contain abundant fossils (report of 2009 study by scientists at Oxford University).
Prehistoric fossil collectors (article from the Geological Society).
How will humans go extinct? (article on BBC News, 24 April 2013).
Hidden Horizons website (Scarborough-based company run by Will Watts, offering Geology & Natural History Education and Events. Look out for information on the upcoming Yorkshire Fossil Festival).