All of the fossils date back to 183 million years ago during the Jurassic period.
The last one happened 65 million years ago when a large asteroid crashed into the Earth.
Finds from Java suggest early humans reached South-East Asia by 1.6 million years ago.
The PC, in fact, is probably a lot like the dinosaurs of 66 million years ago.
It deposited its gigantic footprints here some 120 million years ago and they remain perfectly preserved.
There seem to have been two hominid species present at Swartkrans around two million years ago.
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During the Jurassic period, 165 million years ago, the area was a warm shallow sea.
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Current evidence suggests that snakes started to evolve less than 150 million years ago.
Two hundred and fifty million years ago the Earth had one landmass what scientists call Pangaea.
"These three groups then persisted until at least 65 million years ago, " said Dr Nesbitt.
Among our ancestors, brain size doubled between two million and one million years ago.
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Cetotheres emerged about 15 million years ago and once occupied oceans across the globe.
If so, it raises the possibility that hominids colonised South-East Asia at least two million years ago.
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The mantle beneath rose some 200 million years ago, resulting in the elevation of the lake floor.
The last time CO2 was regularly above 400ppm was three to five million years ago - before modern humans existed.
My piece is set in the late Cretaceous period, 65 million years ago (give or take a few).
Gorillas are our closest relatives, after chimpanzees and bonobos, having diverged from our common ancestors 8 million years ago.
Some 50 million years ago, the climate in the southwest region of Wyoming was a vegetal and aquatic paradise.
The two species are thought to have diverged over one million years ago.
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The dinosaur evolved in the Mid-Triassic, between 245 and 235 million years ago.
The species, which was about the size of a domestic cat, lived between 100 and 200 million years ago.
The botanists believe that about 46 million years ago, the plants' blooms began to evolve at an accelerated pace.
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"About 20 million years ago, the 'flow' of species stopped, " Dr Huber observed.
When the first mammals evolved from reptiles 200 million years ago, one of the biggest changes was inside their heads.
This communication system might have grown more complex after our own ancestors split from other apes 6 million years ago.
Bees, which are descended from predatory wasps, turned from eating other insects to feeding on flowers some hundred million years ago.
It ran around on two legs 180 million years ago, at the height of the geologic period known as the Jurassic.
These rocks landed on Earth about 2.5 million years ago, after being blasted off the Red Planet by a violent impact.
MSN: Scientists say parts of Mars interior are as wet as Earth's
Other scientists say it may have been 10 million years ago that Earth last encountered this much carbon dioxide in the atmosphere.
It is believed that they were pushed into their present location seventy million years ago by the uplift of the Rocky Mountains.
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