Fox Science

While the bird has not been photographed since the 1930s, a new study conducted by a researcher at the Naval Research Laboratory posits that - despite the lack of definitive evidence of the species’ existence - the so-called “Lord God bird” is not extinct and its habitat needs to be protected if the woodpecker hopes to thrive.

A newfound asteroid about the size of a bus zipped safely by Earth late Tuesday.

A breathtaking video released by a conservation organization shows a bear walking around the ruins of Machu Picchu in Peru, coming heart-stoppingly close to people.

Just as aircraft flying at supersonic speeds create cone-shaped sonic booms, pulses of light can leave behind cone-shaped wakes of light.

NASA's Cassini spacecraft is known for some of the most extraordinary images of Saturn , and its rings and moons, that we have seen.

A hippo baby is receiving critical care from staff at Cincinnati Zoo after she was born six weeks early.

Researchers uncover new clues about Mayan civilization's collapse

Call it the mystery of the missing inch.

To Pluto and beyond!

"It's worse than we thought 10 years ago," a researcher says following a "landmark" study on the world's primates that found many could go extinct in the next 50 years.

A coastal landmark in California didn't survive this weekend's storms intact.

Millions of years ago, a wolf-sized otter swam around ancient swampy China, scientists have discovered.

Microbes that rank among the simplest and most ancient organisms on Earth could survive the extremely thin air of Mars, a new study finds.

Stuart Wilson says people thought he was crazy when he gambled $39,000—his life savings—on a 4.6-acre field in Wales.

Four cemeteries, from which at least 123 individuals have been excavated so far, have been unearthed near the remains of a medieval Christian monastery in Sudan.

NASA's Curiosity rover has photographed shallow crevices on Mars that may have formed from ancient mud cracks, yet more evidence that the planet had a watery past.

Ancient Egyptians who buried their deceased kin in pots may have chosen the burial vessels as symbols of the womb and rebirth, scientists argue in a new paper.

Scientists are always crashing the party when they bring the likeliest but often mundane reasons for mysterious phenomena.

Two of London's busiest bridges were closed Thursday and roads cordoned off after a suspected World War II bomb was found in the River Thames.

The CIA posted almost a million declassified files online this week, offering a fascinating record of unexplained UFO sightings and the agency’s secret operations.