The first part of prehistoric beasts is well protected to the point that the inner brain after tens of millennia is still not decomposed.
One of the extinct animals long before the modern human society formed might walk on the ground again, thanks to an experiment like that in a Hollywood movie.
From DNA samples taken from intact frozen baby lions after 12,000 years, international scientists are hoping to revive cave lions that once wandered on Earth in the Ice Age.
Researchers discovered the body of a turn-feather rhino, an extinct 10,000-year-old animal.
The intact mummy of a wild boar buried in ice was discovered in Siberia, Russia, dating to about 10,000 years old.
Russian scientists have embarked on a breakthrough project to study the mammoth's well-preserved brain, in hopes of understanding the behavior of this extinct animal.