Saturday, August 30, 2014
For years scientists have theorized about how large rocks — some weighing hundreds of pounds — zigzag across Racetrack Playa in Death Valley National Park, leaving long trails etched in the earth.
Thursday, August 28, 2014
Two lost Maya cities recently uncovered by an international team of scientists in Mexico could help decipher the story of the empire's early capitals to the south that were eventually abandoned for large cities on the Yucatan peninsula.
There is the riddle of the Bermuda Triangle. The unresolved identity of Jack the Ripper. The enigma of how the Universe developed beyond a quark-gluon soup following the Big Bang.
Wednesday, August 27, 2014
Mice that were raised in a sterile environment or given antibiotics early in life lacked a common gut bacteria that appears to prevent food allergies, U.S. researchers said Monday.
A three-million-year-old child's skull uncovered in South Africa has no signs of the kind of soft spot that would be seen in human children with larger brains, a study said Monday.
Sunday, August 24, 2014
Australian spiders may live happily in the bush, but a new study has found that at least one species also thrives on city life and grows bigger in urban areas.
Is there a limit to how old humans could one day become?
A dry wash full of 112-million-year-old dinosaur tracks that include an ankylosaurus, dromaeosaurus and a menacing ancestor of the Tyrannosaurus rex, is set to open to the public this fall in Utah.
Saturday, August 23, 2014
Archaeologists excavating a large burial mound in northern Greece that has captivated the public's imagination have asked politicians and others seeking guided tours of the site to leave them in peace.