Ice age

'Ghost' footprints hiding since end of Ice Age found

Ancient human remains, ice age animal bones found in giant Mexican cave

Gene causing arthritis may have helped humans survive Ice Age: Study

One of Earth's biggest mass extinctions the result of ice age, not global warming!

CO2 in oceans sets off an ice age every 100,000 years

Bee population escalated post last ice age, reveals study!

Ice age on Mars took place 400,000 years ago, claim scientists

Global warming likely to extend for thousands of years

DNA data uncovers unknown chapter of human history

Global warming: Next ice age delayed for 100,000 years

Agriculture didn't spur growth of human population

Earth heading for decade-long 'mini ice age' in 15 years?

Early Australians fought giant killer lizards