These structures are found all over the United Kingdom and can be anywhere from 200 meters up to 10 km long.
(Video) A massive mysterious creature was found in a Japanese fisherman's net. They threw it back due to its strange odd nature and strong smell.
The purring domestic cats of today may have more in common with their fearsome prehistoric ancestors than we thought.
The ancient nematode survived for 46,000 years in the permafrost by entering a state of cryptobiosis.
Increased ocean temperatures and stronger monsoons created more moisture. This moisture fed growing ice sheets.
The idea of 'men hunt and women gather' is totally wrong according to a new study.
An analysis of footprints by the prehistoric three-toed equid Hipparion sheds light on the evolution of horses, and especially their toes.
Through digitally recreating the muscles of an early human ancestor, research has shed new light on how humans evolved to walk upright.
The new evidence shows that humans attempted to expand several times before the last successful expansion.
Biases and sources of error make it difficult to determine the sex and gender of ancient remains.