A new remote sensing technology has peeled away layers of mud and rock near Peru's Cahuachi desert to reveal an ancient adobe pyramid, Italian researchers announced on Friday at a satellite imagery conference in Rome.

The AIDS virus has been circulating among people for about 100 years, decades longer than scientists had thought, a new study suggests. Genetic analysis pushes the estimated origin of HIV back

New research indicates that the most pervasive global strain of HIV began spreading among humans between 1884 and 1924, suggesting that growing urbanization in colonial Africa set the stage for the HIV/AIDS pandemic.

The high arctic is one of the farthest places from most of the 6 billion people on Earth, but Canadian researchers have found that the far north holds some of the oldest evidence of human impact on a lake's ecosystem.

The New York Times reports that a dangerous type of childhood meningitis has been virtually eliminated in Uganda in just five years after a vaccine was introduced, according to a study released by the World Health Organization.

Researchers at Manchester and Oxford Universities have found a naturally occurring protein molecule that protects against inflammation and halts bone erosion.

People in one of India's most earthquake-prone zones had mastered the art of building multi-level buildings resistant to seismic movement about a thousand years ago, an engineering study of the structures has revealed.

Freeping from both sides overwhelmed the server. Over the past two weeks, the results of the poll see-sawed back and forth from a majority saying "No" to a majority saying, "Yes". At the moment the single-voter system was implemented, it was 50/50...

Harvard scientists yesterday reported a new way to turn adult cells into stem cells, without using harmful viruses that can cause cancer. Using a type of virus employed in gene therapy to deliver genes to

The waves of Hurricane Ike uncovered a wooden shipwreck on an Alabama beach that experts think could be a Civil War schooner, the Mobile Press-Register reports. The wreck's length matches that of