The isolated communist country has been stockpiling bomb ingredients for decades, security analysts say, and will probably keep testing "until they get it right."

Targeted vaccinations may be the best way to protect the Ethiopian wolf from major outbreaks of deadly disease, scientists say.

Regular wobbles in Earth's orbit and tilt may drive a recurring cycle of evolution and extinction, a new study says.

Oo-la-la. A just released high-resolution image of the Martian crater may help astronomers finally reveal Victoria's secrets.

The eating habits of dung beetles, the attraction of mosquitoes to Limburger cheese, and "digital rectal massage" were among the research awarded at this year's Ig Nobels.

Extending for nearly a thousand light-years, the two large loops of dense molecular gas may play an important role in our galaxy's star formation.

At least 7 and perhaps as many as 16 new planets have been found at the heart of the galaxy, leading astronomers to conclude that "there are literally billions of planets" in the Milky Way.

Electronic versions of the rodents' bristles could one day help bots inspect oil pipelines and explore remote locations from the deep sea to outer space.

Roger D. Kornberg has won the 2006 Nobel Prize in Chemistry for his genetics work, following in the footsteps of his father, who received the 1959 Nobel in medicine.

John C. Mather and George F. Smoot have won the 2006 Nobel Prize in Physics for their research helping to solidify the big bang theory of the origin of the universe.

People in the developed world today are taller and more robust than their great-great-grandparents ever imagined, and not just because of better medicine, a researcher says.

Strong winds in the upper atmosphere drew down a near-record amount of ozone-destroying gases last year, according to a new study, and such winds may become more frequent as Earth heats up.

Andrew Fire and Craig Mello will split the 2006 Nobel Prize in Physiology or Medicine for work on RNA interference, which cells use to control gene expression. The discovery may lead to new ways to treat disease.

Gardeners knew it, now scientists have proved it: Weeds really can sniff out tomato plants.

This week: "Elvis" woodpecker sighted, anti-terrorist fish guard cities, mystery of fingerprintless people solved, python eats pregnant sheep, and more.