Genetic analysis of a 40,000-year-old jawbone found in a Romania suggests that early humans and Neanderthals intermingled more recently than previously thought.
New images from NASA's Dawn space probe provide more clues – and add more mystery – to the surface of the dwarf planet Ceres.
Animated photos taken by NASA’s New Horizons space probe reveals the orbital dance between Pluto and its largest moon, Charon.
Despite clear social hierarchies, baboons are capable of making decisions as a group, scientists say.
Saturn's largest moon is host to the solar system's only non-Earthly lakes and seas. A new study sheds light on how some of these may have formed.
Due to a fluke of the calendar, the third Sunday of June, celebrated in many countries as Father's Day, falls this year on the summer solstice.
Father's Day in the animal kingdom? Researchers find a connection between singing abilities and parenting skills in male nightingales.
Discovery of present-day volcanic activity on Venus would have "major implications" for understanding processes in the planet's interior, surface and atmosphere, scientists say.
Sixth extinction: Human beings are currently causing the greatest mass extinction of species since the extinction of the dinosaurs 65 million years ago, says a new study.
Moon jellyfish rearrange their bodies when a limb is lost. This "symmetrization" is a never-before-seen method of self-repair, and one that probably helps jellies stay alive in the wild.
Since 2009 the earthquake rate in the United States has more than sextupled. Two studies released this week by teams at the University of Colorado and Stanford University may show why.
A new study of the remains of Kennewick Man suggests he is most closely related to native Americans, opening a new chapter in a two-decade saga.
Saharan silver ants have hair that both reflects and refracts sunlight, say scientists, to withstand temperatures over 120° F.
Disney's Pixar film 'Inside Out' draws upon the science of facial expressions to portray five basic emotions: joy, sadness, anger, fear, disgust.
Orbiting a dim dwarf star some 200 light years from Earth, Kepler-138 b is about the size of Mars.
Comet particle collisions on the moon's airless surface have resulted in a dust cloud around Earth's natural satellite, suggest data from a NASA orbiter.
A team of researchers from Britain, the University of Vermont, and the World Wildlife Fund find a way to make the conservation of palm oil land affordable.
NASA's New Horizons space probe has just 20 million miles to go before its historic encounter with Pluto, marking the first time a spacecraft from Earth has visited it or any other Kuiper Belt object.
Scientists have detected methane in meteorites from Mars, raising the possibility of past microbial activity on the Red Planet.
Why did sauropods – the giant, four-legged, herbivorous dinosaurs – dominate the higher latitudes but shun the tropics? It was the climate, say scientists.
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