The subtle reason women may appear more attractive during ovulation
Women's cheeks get redder when they are the most fertile, but this color change is so subtle that it is undetectable by the human eye, a new study...
Tiny glider could cruise through Martian skies
A tiny aircraft could be plying Mars' skies less than a decade from now. NASA researchers are developing a glider, called Preliminary Research...
Scientists explain how you should pet your cat
If your cat doesn't seem to want to sit still while you pet it, you might be doing it wrong.
Iron Age warrior lived with arrowhead in spine
A horrific spinal injury caused by a bronze arrowhead didn't immediately kill an Iron Age warrior, who survived long enough for his bone to heal...
Solar Impulse 2 making good progress, breaks records on epic Pacific journey
Solar Impulse 2 is making good progress in its epic journey across the Pacific, with the plane breaking the record for longest-solar powered flight...
The Great Wall of China is disappearing
In a 2008 article headlined "The Great Wall of China Is Under Siege," Smithsonian reported that "no one knows just how much of the...
SpaceX rocket explosion shouldn't affect commercial crew plans, NASA says
The failure of SpaceX's Falcon 9 rocket during a cargo launch Sunday shouldn't have a big impact on the company's ability to fly astronauts to...
Armored spiky worm had 30 legs, will haunt your nightmares
A spiky, wormlike creature with 30 legs — 18 clawed rear legs and 12 featherlike front legs that likely helped it filter food from the water — once...
Athenian wealth: Millions of silver coins stored in Parthenon attic
Millions of silver coins may have been stored in the attic of the Parthenon,one of the most famous structures from the ancient world, a research...
Solar Impulse 2 passes ‘point of no return’ in audacious attempt to cross the Pacific
Solar Impulse 2 passed the "point of no return" early Monday, about 16 hours into the solar-powered plane’s audacious attempt to cross the Pacific...
Mummified remains unearthed in Indiana
Workers exploring the site of an intended quarry in rural Indiana stumbled upon a mummified body that experts say could be anywhere from 500 to...
Solar-powered plane attempts Japan-Hawaii flight
A solar-powered plane attempting to circumnavigate the globe without fuel took off from Japan early Monday after an unscheduled, month-long stop.