SCIENCE

Climate change models may not accurately predict short-term changes but are useful to predict long-term trends, scientists say.

In some areas of sub-Saharan Africa, shame has kept many at-risk people from seeking treatment or taking measures to prevent infection.

Russia's ruler may have "an autistic disorder which affects all of his decisions," the report found.

The efforts to validate the medicinal qualities of marijuana got its latest endorsement on Wednesday morning from a key White House adviser.

It has been nearly impossible for researchers to get authorization to expose pregnant women and their fetuses to marijuana in clinical trials.

Scientists believe the lack of evolution in an environment that remained unchanged for 3 billion years prove Darwin's theory of evolution.

The CDC found that while the number of people exposed to secondhand smoke fell by half between 1999 and 2012, exposure levels remained high.

The latest analysis replaces the previous estimate that one in three people were likely to get cancer during their lives.

In general, vaccination rates against measles in the U.S. have remained high, meaning the likelihood of being exposed is still relatively low.

The U.K. legalized the procedure on Tuesday, but there's passionate debate about the ethics and safety of the breakthrough treatment.

The president proposed $1.2 billion to tamp down the nation’s overuse of antibiotics and to find new ways to fight superbugs.

The procedure, known as mitochondrial replacement, swaps defective maternal mitochondrial DNA with a healthy one from a donor.

The second winter storm of 2015 has brought freezing rain and dangerous conditions to the Northeast.

Famous groundhog Punxsutawney Phil allegedly saw his shadow Monday, and that means six more weeks of winter in the U.S.

The "Black Beauty" meteorite contains different rock types welded together, and helps scientists explain the Martian "dark plains."

Current measles cases in the United States are up 30 percent from the same period last year.

With youth sports leagues facing scrutiny over head injuries among young players, the new findings will undoubtedly fuel debate.

National Weather Service says road conditions in the region could be “extraordinarily dangerous” by Sunday afternoon.

A new study finds the Icelandic landmass is rising at a rate of 1.4 inches per year -- much faster than previously estimated.

Ancient gravitational waves from early universe remain elusive, despite earlier reports of a possible detection.

The Pew Research Center poll studied differences of opinions on issues ranging from climate change to vaccines to evolution.

The Senate is expected to pass the Keystone pipeline bill Thursday, but the president has threatened a veto.

Health officials have said the calm after the storm has allowed them to consider the successes and failures of their containment efforts.

One of the major concerns that researchers have is that the virus could eventually become airborne and become more contagious.

The "cometary globule" CG4 is located nearly 1,300 light-years from Earth in the Gum Nebula.

Carl Krawitt's son has undergone years of chemotherapy, which has left him susceptible to infection and unable to be vaccinated.

A small study shows placebos can be an effective way to improve motor skills for patients with Parkinson’s disease.

Some 8 percent of men in Asia can trace their lineage back to Genghis Khan, but he might have had some competition for father of the continent.

After two days of thousands of cancellations, flights in the Northeast began resuming normal operations Wednesday.