Five-thousand-three-hundred-year-old "Ötzi" was at risk for heart disease, carried Lyme disease
DNA analysis of fecal material reveals some surprises
The lunar night may help reveal which planets have life
390-million-year-old site hosted three plant species
Giant fleas may have feasted on feathered dinosaurs
Results could help explain why the early universe survived
Talk with experts about research into these deadly events
Wild dolphins introduce themselves with "signature whistles"
Young leatherbacks may escape predators on fast ocean currents off the coast of Costa Rica
The iconic dinosaur's jaws may have been much more powerful than scientists suspected
Unethical behavior more common in upper classes
Creatures shrank quickly after the last ice age
Men see women wearing red as more open to romantic advances
Egg-producing stem cells challenge reproductive biology dogma and could help infertile women
Microbes may trap CO2 in underground rocks
Listen to a roundup of some of our favorite stories from this week
Researchers figure out how bacteriophages gain entry into cells
Red lionfish hunt their prey by blowing water at them
The disk of gas and dust that formed our planets is just average in size
Civilization may have collapsed because of a modest drop in precipitation
When the planet heated up, the ancestors of today's horses shrank to the size of housecats
Increased rainfall due to global warming may slow down atmospheric circulation
Researchers isolate "fear compound" in fish
New springtail species, found 2000 meters down, is world’s deepest-dwelling invertebrate
More-mature bulls teach youngsters how to raid farms
Experts talk about the future of fusion research in the United States and abroad
Seven-million-year-old footsteps reveal today's elephants lived in family groups much like their prehistoric kin
Study finds fish follow a robot when it makes swimming easier
Even computers think finding equations that describe the progression of a system through time is difficult
Billions of stars may have snatched their most distant worlds
Part two of some of our favorite stories from AAAS 2012
Hubble spies liquid planet with atmosphere composed mostly of water
Who are the researchers of the future?
New report presents “transformative” technologies to wean world from fossil fuel-based electricity
New technique uses a medical cyclotron to produce radioisotope
How are scientists using apps and cellphones for public health?
Researchers dramatically increase speed of MRI scans
Will there be fish on the menu 100 years from now?
Some fishing agreements between developed and undeveloped countries are not what they seem
Can we balance our social and environmental responsibilities?