SCIENCE

Hurricane Irene strengthened back into a Category 2 storm as it approached to the Bahamas early Wednesday, the U.S. National Hurricane Center said.

The Washington Monument has been closed to the public after Tuesday's earthquake, and will remain so until a proper safety assement can be completed, officials said.

Hurricane Irene, growing dangerous by each passing day, left the northwestern Caribbean, triggering high waves and heavy downpours which left about one million people in the dark in Puerto Rico. According to official storm predictions, the United States' Southeast region is under threat of a potential landfall towards the end of the week.

Mandatory anti-smoking warnings on U.S. cigarette packs are being challenged, this time by researchers who say the combination of grotesque images and explicit messages may not be effective in curbing smoking.

A 5.8 magnitude earthquake hit Virginia region in the U.S. on Tuesday at 1:51 p.m. (EDT), causing moderate tremors and several aftershocks across the U.S. East Coast.

Hurricane Irene could reach the New York area by Sunday night or Monday morning, and residents should prepare, officials say.

The August 23 Virginia Earthquake, the most massive earthquake to hit the East Coast in 67 years, made the United States question the safety of its nuclear power plants Tuesday. The earthquake, a 5.8 on the Richter scale, was only a few miles from the North Anna nuclear power plant.

The astronauts at the International Space Station have got a new company, a humanoid robot, which was activated on Monday, six months after it got delivered to the space station.

The National Science Foundation said that they found no evidence of research misconduct from Pennsylvania State University climatologist Michael Mann. The climatologist is being simultaneously attacked by climate change skeptics urging him to decrease emission of greenhouse gases.

It was previously estimated the number of species existing on Earth was between three million and 100 million, and there are about 1.2 million officially registered.

It was pure excitement last month when CERN scientists reported they glimpsed the greatest riddle in all of physics - the elusive Higgs-Boson particle. Those signals have since faded, scientists said on Monday, dashing the hopes of researchers who have long been trying to find the sub-atomic particle believed to give objects mass.

the Russian company Orbital Technologies is building a space hotel that will accommodate up to seven celestial travelers.

A lawyer representing the Kentucky man who testified against Dr. John Patterson in the Shelby County Circuit Court, the doctor who amputated Seaton's penis without asking his permission, told jurors on Monday his client doesn't feel like a man.

Hurricane Irene may make landfall a day earlier than originally projected, according to updated forecasts from the National Hurricane Center. It is now expected to reach Morehead City, N.C., on Saturday.

Scientists from the University of Birmingham found that a modified form of Ecstasy (MDMA) could be used in treating melanoma, lymphoma, and leukemia, after scientists modified the drug to increase its tumor-killing properties.

The Virginia earthquake Aug. 23 was unusual for the region, although not unprecedented. Earthquakes, though fairly commonplace along the Pacific Coast, are few and far between on the Atlantic Coast because of its different geological structure.

Hurricane Irene, if it keeps to its projected path and hits Florida and North Carolina later this week, will become the first hurricane in three years to make landfall in the United States.

A new study found that both men and women are at risk of gaining weight following a marital transition, especially if they are over age 30.

The National Weather Service warned that the Chicago metropolitan area and parts of northern Illinois and Indiana could experience heavy rain, high winds, hail and cloud-to-ground lightning.

Yoga for dogs? Introducing doga, the latest trend of dog and human yoga.

Researchers have discovered what they believe is the oldest fossil on Earth, 3.4 billion years old.

Hurricane Irene may become a Category 4 storm by the time it reaches Florida on Friday. Although the worst of the hurricane is expected to hit off the Florida coast, parts of Broward and Palm Beach Counties are still in Irene's projected path.

Marriage can have its ups and downs, although your heart and lifestyle may benefit significantly from those joyful days with your beau, new research shows.

Police describe incident as crime, not accident.

Our early ancestors, the Homo erectus, learnt how to cook with fire earlier than we thought.

More than 5,000 children and teens in the U.S. end up in the hospital after falling out of windows each year, medical records show. That ends up 14 children per day.

The latest news is not euphoric. The soon-to-be-unveiled results of further research at the LHC, where huge chunks of data were analyzed to establish ranges at which the particle were not found, points that the task of finding the particle is harder now. Scientists say it looks possible now that the elusive particle may not exist at all.

Rats, when infected with the parasite toxoplasma, showed activity in the region of the brain that is signals sexual interest, a Stanford University study released last week says.

Hospitals are now treating more than 90 percent of the U.S. heart attack patients within their recommended 90 minutes of arrival, a new study released on Monday in the journal Circulation said.