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 ...

A bird thought to be extinct for 140 years has been rediscovered in the forests of Papua New Guinea. The black-naped pheasant-pigeon was documented by scientists for the first and last time in 1882, ...

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, ...

Birds are a barometer of the health of water sources, habitats, and air quality. A notable example is the use of canaries in coal mines during the 20th century to detect unsafe carbon monoxide levels ...