Evidence from fossil coral reefs in Mexico underlines the potential for a sudden jump in sea levels because of global warming, scientists report in a new study.

The study, being published Thursday in the journal Nature, suggests that a sudden rise of 6.5 feet to 10 feet occurred within a span of 50 to 100 years about 121,000 years ago, at the end of the last warm interval between ice ages.

The era of personal genomic medicine may have to wait. The genetic analysis of common disease is turning out to be a lot more complex than expected.

David B. Goldstein of Duke University is among the geneticists who are debating which path to follow in disease research.

A United States Border Patrol agent who tried to import 15 rare Tanzanian leopard tortoises in a box labeled

Beneath the waves of this sapphire-blue corner of the East China Sea, a team of divers was busily at work.

Hovering along the steep, bony face of a dying coral reef, some divers bored holes into the hard surface with compressed-air drills that released plumes of glittering bubbles. Others followed, gently inserting small ceramic discs into the fresh openings.

North Korea, angered by a United Nations rebuke of its recent missile launching, declared on Tuesday that it would permanently pull out of nuclear disarmament talks and restart its nuclear program. It also expelled United Nations inspectors from the country.

President Obama and his team have alternated praise for the goals of President George W. Bush

Researchers have identified a new benchmark for starting drug treatment for AIDS, according to a report published online last week in the journal Lancet.

Timing of initiation of antiretroviral therapy in AIDS-free HIV-1-infected patients: a collaborative analysis of 18 HIV cohort studies (The Lancet)

The risk for rheumatoid arthritis is not large

Eating broccoli sprouts may be an effective way to control the germ that causes most peptic ulcers and is strongly associated with stomach cancer, a small study has found.

Dietary Sulforaphane-Rich Broccoli Sprouts Reduce Colonization and Attenuate Gastritis in Helicobacter pylori