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The legendary Bigfoot has long been thought of as the "missing link" between apes and humans. In a stunning discovery, scientists have unearthed new evidence of the so-called "original Bigfoot," a 10-foot tall ape that lived nearly 2 million years ago.

Unearthly greens and yellows color the scorching-hot landscape surrounding the Dallol volcano in northern Ethiopia. This alien-like world is filled with hydrothermal pools that are some of the most extreme environments on the planet — and some of them seem to be completely devoid of life, according to a new study.

A former Michigan lawmaker Wednesday took a “one-in-a-million” photo of a rare three-antler deer in the state’s Upper Peninsula.

A treasure trove of fossils that includes dinosaur bones, bird feathers and the first presence of feathered dinosaurs beyond the southern polar circle has been discovered in Australia.

A photographer in Guatemala captured the stunning moment a bolt of lightning hit a volcano as it was erupting. 

An extremely rare half-dollar coin from 1838, now valued at as much as $500,000, is set for auction this week.

After climate change melts the Arctic Ocean's year-round ice cover, only the region's oldest, thickest ice will remain ... or will it? A new study offers a dire warning that even this ice is at risk.

Initially expected to sell for approximately $100,000, a rare Chinese vase that made for the 18th-century Qianlong Emperor has sold for $487,000.

NASA has renamed the most distant object ever explored, the mysterious Ultima Thule, after controversy arose that its name was linked to the Nazi party.

Four months after the stunning announcement that NASA's Curiosity rover detected an "unusually high" level of methane on Mars, the government space agency said that oxygen "behaves in a way that so far scientists cannot explain" on the Red Planet.

A tiny creature that looks part-deer, part-mouse hadn't been seen in nearly 30 years. Now, with a series of camera traps, researchers have caught the silver-backed chevrotain, also called the Vietnam mouse-deer, meandering about its tree-filled home.

A bright blue flash that streaked through the sky over St. Louis, Mo., Monday evening was an approximately 220-pound chunk of rock that broke off an asteroid belt between Mars and Jupiter before it entered Earth’s atmosphere, Bill Cooke, of the NASA Meteoroid Environments Office in Alabama, said Tuesday, according to a report. 

A mysterious medieval shipwreck has been discovered in the depths of Russia’s Volga River.

XINING, China (AP) — There's a building boom on the Tibetan plateau, one of the world's last remote places. Mountains long crowned by garlands of fluttering prayer flags — a traditional landscape blessing — are newly topped with sprawling steel power lines. At night, the illuminated signs of Sinopec gas stations cast a red glow over newly built highways.

The world's oldest carnivorous dinosaur, known as Gnathovorax cabreirai, has been discovered in southern Brazil, according to a new study.

A grim-looking 200-year-old set of false teeth that were dug up in a U.K. field will be auctioned later this month.

There's a hole in the story of how our universe came to be. First, the universe inflated rapidly, like a balloon. Then, everything went boom.

Chimpanzees are attacking people in Uganda, part of a disturbing trend going on in the country that has led to crop loss and even death. 

A camera has captured the incredible moment when a meteor lit up the sky over the iconic Gateway Arch in St. Louis.

Venus is likely too hot to support life, with a toxic atmosphere and temperatures approaching 900 degrees, but that isn't stopping NASA from exploring it.