A 1.2-million-year-old tooth discovered last week in northern Spain came from Western Europe's earliest known human, according to the team that made the find.
Adventurers exploring a cave on an island in the Indian Ocean have discovered the most complete and well preserved dodo skeleton ever found, scientists announced.
The world's largest group of gray-shanked douc langurs, among the world's most endangered primates, was found thriving in the forests of central Vietnam.
Results from a new Antarctic ice core reveal wild swings of 15 degrees Celsius (27 degrees Fahrenheit) in polar temperatures over the past 800,000 years.
The massive tempest is currently "starving" the solar-powered rovers, so NASA has put the robots on regular nap-time schedules to try and wait out the storm.
Scientists need to rethink what constitutes life in their search for ETs and seek out so-called "weird" life-forms that could thrive in extreme environments, a new report says.
Previous measurements of Earth's girth were slightly off, but the difference is enough to affect forecasts of sea-level rise and other effects of global warming.
The love life of an unusual African fish has been revealed—mates engage in electrical "duets" when they feel the spark of romance, a new study finds. With audio.
Using a technique that measures how much gravity bends light, astronomers say they have spotted early stars in galaxies more than 13 billion light-years away.
New medical scans bolster the theory that an unidentified corpse is Akhenaten—the heretic pharaoh married to Nefertiti who some believe was Tut's father.
At least one affected region reports killing 90 tons of rats in an effort to curb a rodent invasion, linked to recent flooding, that is ravishing crops and threatening public health.
One of the largest giant squid ever found washed up on a beach in southern Australia yesterday, offering potentially crucial clues to the animal's habits and habitat.
A gas giant orbiting a distant star shows signatures of water vapor in its atmosphere, a find that some say is the first evidence of water on a so-called exoplanet.
In less than five years, a Pacific butterfly has developed defenses against a parasitic bacterium, showing evolution can move at "warp speed," scientists say.
Understanding the source of gases that cause some volcanoes to pop like a bottle of champagne could help protect tourists and others from the unpredictable and explosive blasts.
An ancient jawbone found in Ethiopia could rekindle the debate about how many species of human ancestors roamed East Africa three to four million years ago.
Dino soup, anyone? For centuries, the Chinese have likely used dinosaur bones—thought to be mythical dragon bones—as ingredients in their medicine and food.
"Killer electrons," supercharged particles that pose a significant hazard to spacecraft and astronauts, are formed right in Earth's back yard, new research shows.
Scours and streamlined features on the seafloor of the English Channel provide the best evidence yet that gushing floodwaters cut Britain off from mainland Europe, scientists say.
One of the world's rarest creatures, Attenborough's long-beaked echidna, appears to be alive and well, scientists say. And reportedly it's also quite delicious.
The high-tech iLimb, being sold for £8,500 (U.S. $17,454), is the first prosthetic hand to offer fully independent digits, its manufacturers announced.
The rapid melt of small glaciers and mountain ice caps will play a major role in a 22-inch (56-centimeter) rise in sea levels by 2100, a new study predicts.
A U.S. Army barracks in Oahu has enlisted some unlikely help: Solar power, which is part of a wider energy makeover for keeping military households on track.
A 19-year study in a Chinese nature park revealed that the presence of tourists drove more adult macaques to aggressive behavior against each other and their babies.
Adélie penguins in Antarctica apparently gave up a 38,000-year-old fish diet to focus on krill, after whale and seal hunting created a surplus of the tiny crustaceans.
At least four mountain gorillas were shot dead last weekend in Congo's Virunga National Park, a "disaster" for a species numbering scarcely 700, rangers say.
In 2008, volunteer-minded tourists will be welcomed to the polluted Midway Atoll, where they will clear the remote islands of debris and invasive species.
The three-year project aims to document the world's largest freshwater fishes, from giant catfish to half-ton stingrays. (First in a new series on megafishes.)
A series of "mini-quakes" in east Africa last week has shaken up residents and left scientists wondering if a nearby volcano or a shifting tectonic plate is to blame.
Seeding plankton blooms to suck up the greenhouse gas CO2 could grow profits for a U.S. firm—but several scientists and regulators are unsure about the ecological consequences.
Chinese paddlefish have not been seen in the Yangtze River since 2003 and are likely on the path to extinction, scientists warn. (Second in a series on the megafishes)
William the Conqueror's 1066 takeover of England spurred a rash of reported possessions by the devil, suggests a new study that draws parallels with the phenomenon's modern-day resurgence.
For Antarctica's penguins, the global-warming plot thickens: Some species seem to be adapting to the heat, while others are experiencing a foreboding population decline.
An influx of voracious jumbo squid in Pacific U.S. waters coincides with a decline in hake, a commercial species used to make imitation crab and fish sticks, a new study reports.
Sorry, horror movie fans. There is no longer enough oxygen in the air to support the bird- and person-size insects that roamed Earth 300 million years ago.
The long-rumored town of Rhakotis, Egypt, did exist centuries before Alexander the Great arrived in Alexandria, according to the first evidence taken from underwater samples.
Join a dangerous and controversial catch-and-release shark tournament, as sport fishers and scientists join forces to catch and study the ocean's top predators.
See top shots from this year's edition of Spain's breathtaking, bone-breaking running of the bulls-and get the story behind the centuries-old tradition.
From Rome's Colosseum to India's Taj Mahal, see how the recently announced "new seven wonders of the world" stack up against the original list of ancient monuments.
See a roundup of the week's news and events: Indonesia's Mount Gamkonara rumbles, snow falls in Buenos Aires after 89 years, Boeing launches its 787 Dreamliner, and more.
See a roundup of the week's news and events: Britain's adventurer swims at the North Pole, heat wave sweeps Europe, fishers hook an ancient fish, and more.