Two years on, the authorities have no idea where they came from, who they belong to & how they got there...
Researchers have suggested that nothing actually hit the ground at all...
It dates back to the ancient Xiongnu empire
The head is almost 16 inches long
Descendants of people from northern Russia 31,000 years ago contributed a bit of DNA to Native Americans
The foal autopsy should reveal a lot about Pleistocene Siberia
What’s it like to take a 40.000-year-long nap?
The cave findings shed light on enigmatic extinct human species
The move was so large that the current representation of the entire globe's magnetic field, just updated in 2015, is now out of date