In the case of mammals, the best-studied group of animals, the fossil record indicates that the “background” rate of extinction, the one that prevailed before humans entered the picture ...

Lost Animals of the 20th Century is a documentary series shown in Discovery Channel in the 1990s. It features animals that have become extinct throughout the 20th century. Animals are adjudged as ...

Colossal Bioscience says it has “de-extincted” the dire wolf, but other scientists disagree and say more important ...

The three wolves – named Romulus, Remus and Khaleesi – live in a private facility and have reportedly grown as big as 80 ...

Scientists say the Trump administration’s embrace of de-extinction won’t help endangered species like the Great Lakes gray ...

The Tasmanian thylacine, commonly known as the Tasmanian tiger, was declared extinct in 1936 ... and no physical evidence of these animals has ever been discovered. The study is led by Barry ...

Now, scientists are planning something even more ambitious, reviving the original Indian cheetah using advanced genetic ...

Cloning and Genetic Reconstruction: Scientists often extract DNA from preserved specimens to recreate genomes partially. Successful trials include integrating modern genetic information with ancient ...

Quetzalcoatlus, one of the largest known flying animals ... By the mid-20th century, habitat loss, hunting and agricultural expansion led to its demise. It was officially declared extinct in 2003.