The recent discovery of human footprints in New Mexico that date back to 23,000 years ago could mean that humans inhabited the Americas well before the end of the last ice age.

Scientists uncovered Ice Age artefacts deep inside Dargan Shelter - a cave 1,100metres above sea level in NSW 's Blue Mountains region - challenging long-held assumptions about ancient human life ...

Shocking discovery inside one of Australia's oldest Ice Age caves Over 600 artefacts were found in the Dargan Shelter (pictured) - a cave 1,100metres above sea level in NSW's Blue Mountains region ...