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

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 ...

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 ...

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

One of the most compelling examples is the Blue Iguana, native to the Cayman Islands. By 2002, this striking reptile had succumbed to habitat destruction and human activities, with numbers dwindling ...

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 ...

This was on full display last week while I was leading a photographic tour of bald eagles and sea otters in Alaska.