Bringing extinct species back to life could disrupt current ecosystems. Resurrected animals might not adapt to their new environment. Moreover, resources devoted to de-extinction could be used to ...

De-extinction, the science of resurrecting extinct species, is progressing in leaps and bounds. Here are six creatures that researchers could bring back to life — and one they've already revived.

Ever since the 1993 blockbuster "Jurassic Park," the possibility of bringing extinct species back to life has been part of our collective imagination. The film, based on a Michael Crichton novel ...

From an Australian frog that swallowed its own eggs to woolly mammoths, scientists could soon bring back long-lost species from the dead.

Here are the 15 extinct species: Barbodes disa—last seen in 1964. Barbodes truncatulus—last seen in 1973. ... cattle grazing and logging appear to have wiped out this once-common Guatemalan ...

The Endangered Species Act safeguards a long list of marine species. Kelkar said, if listed, bull kelp would be the first marine plant or algae to earn those protections.

In 2001, scientists cloned the first member of an endangered species, a type of wild cattle called a guar. But the animal died soon after birth from an infection. In 2003, ...

Since passage of the Endangered Species Act 50 years ago, more than 1,700 plants, mammals, fish, insects and other species in the U.S. have been listed as threatened or endangered with extinction.