Temperatures would have plunged as soot blocked out the sun and the rain virtually stopped falling
'More data shows the extinction was more severe than previously believed'
A retired nuclear physicist made the 'accidental' discovery in 2005
Researchers applied new techniques to the fossil record, allowing them to show the huge migration that dinosaurs engaged in, all across the world
Scientists analyzing dinosaur fossils believe they've figured out why some had cumbersome horns and frills
Sir David was, of course, brilliant – enthusiastic, informative, charming – and he couldn’t keep his hands off the artefacts
The apparently youthful dinosaur was running around Wales about 200 million years ago
The newly-discovered dinosaur measured 37 metres from nose to tail - around the length of four double-decker buses
The iconic giant predator could stretch its upper and lower jaws 80 degrees apart
Scientists say two theories that have been a bone of contention among experts for 35 years could both be true
Prop was used in the film's opening sequence
Search will resume at 10am for the boy who disappeared from his bedroom
The skeleton, named Misty, went up for auction as part of a sale of natural history curiosities
Discovery of 24ft (7.3m) long, 8ft (2.4m) high predator changes our understanding of evolution of tyrannosaur family
The monstrously successful Jurassic Park series is to be brought back to life (again). Universal Pictures are planning another instalment of dinosaur-based carnage in the fourth sequel, Jurassic World, which will premiere in 2015.
No plot details have been announced at this stage (though the new film will show in 3D), and this blank slate has encouraged us to get in early with a few suggestions for any reading Hollywood executives (you're welcome, Mr Spielberg). Please leave more ideas in the comments - but keep it bitey, and no totally implausible pseudo-science.