A once-extinct bird is laying eggs in the wild for the first time in nearly 40 years. Sihek, a now-endangered bird returned to the wild in 2024, has laid wild eggs in its new home in Hawaii, according ...

Earth looked much different not just millions, but even decades and centuries ago. Many animal species that once existed are ...

Long before big cats, terror birds reigned as apex predators. Here’s how these flightless birds hunted, and why they went ...

Flightless birds have had a rough go of it over the past few centuries, with many going extinct — the most iconic being the dodo bird. But not all have perished. Here are four flightless birds that ...

The released birds are the closest living relatives of the extinct Arabian ostrich. The flightless animals' return is part of ...

The Guam kingfisher, or Sihek in CHamoru, is an iconic species of Guam, but can no longer be found there. Pictured here are Hinanao and his mate, Tutuhan, who came from the Cincinnati Zoo & Botanical ...

One of the unique aspects of our modern era is the ability to preserve sights and sounds. While an animal’s extinction means its physical presence is gone forever, technology allows us to experience a ...

Mark Walter, the new owner of the Los Angeles Lakers, is backing one of the most ambitious science projects of the decade: bringing back an extinct bird from the dead. It's called the moa, a giant, ...