Ancient settlements and modern cities are essentially alike. They tend to be more productive with bigger populations and denser areas.
A giant black hole blasts out fierce cosmic winds so powerful they can influence the host galaxy's capability to form new stars. The winds' energy is comparable to what is emitted by over a trillion suns.
Chad in Central Africa may be a low-income nation but it topped the list of the countries with the healthiest diet. Armenia, on the other hand, has the least healthy diet.
UV radiation does not just inflict damage during exposure to sunlight and tanning beds. The DNA damaging effects can still occur up to four hours after exposure.
Malaria parasites that are resistant to antimalarial drug artemisinin now inflict Myanmar and threaten to spread to India. Scientists said this could threaten efforts to control and eliminate the potentially deadly mosquito-borne disease.
The spider's silk has long been known as the strongest natural material but researchers have found that the material comprising the teeth of the limpet, an aquatic snail, outperforms this.
Toxic chemicals known as secondary metabolites, which are found in certain plants including coffee and tobacco, can reduce intestinal infection in bees by as much as 81 percent.
The virus strain in 30 measles patients in California was found to be the same one that caused a recent outbreak in the Philippines raising the possibility that the current measles outbreak in California may have originated from the Asian country where the disease remains prevalent.
Safe Streets, a group opposed to the legalization of recreational marijuana in Colorado, says that state officials violated federal law by promoting the commercialization of the drug.
At a time when the Homo erectus had just gone extinct, a red dwarf called Scholz's Star passed by the outer reaches of the Solar System at a relatively close distance of 0.8 light years away from the Earth.
An internal investigation by the UCLA Health System found that superbug bacteria may have been transmitted to patients who underwent complex endoscopic procedures at the Ronald Reagan UCLA Medical Center from October 2014 to January 2015.
Charcoal juice is the rave nowadays with notable personalities endorsing the product. Experts shared their views on using activated charcoal for health purposes.
Chemical signatures found on rock samples dating as early as 3.2 billion years ago suggest that life could have thrived on Earth a billion years earlier than previously thought.
Researchers from the National Park Service have come up with a map that depicts the noise levels across the country. The map was made with the objective of identifying areas where the sound levels could influence survival of certain animal species.
From over 200,000 individuals who wanted to live and die on planet Mars, only 100 aspiring explorers have made it to Mars One's next round of screening.
A pioneering technique that involves the use of satellite-mounted thermal cameras and microwave sensors allows scientists to identify parts of the ocean that are most at risk of acidification.
The latest images of Ceres taken by NASA's Dawn spacecraft reveal craters and bright spots in the dwarf planet. Scientists hope that the nature of the bright spots could be unveiled as the probe gets nearer to this extraterrestrial world.
A UFO watcher shared images of what appeared as a cigar-shaped alien vehicle on the UFO Sightings Daily website. He claimed it was not the first time he spotted a UFO in the vicinity of the Popocatepetl volcano in Mexico.
Astronomers think that the mysterious plumes on Mars could either be an unusually bright aurora or a large cloud. These explanations, however, challenge current understanding of the upper atmosphere of the Red Planet.
Although penguin feed on fish, they lack the genes required to detect the savory meaty taste known as umami. The aquatic birds are also incapable of detecting sweet and bitter tastes.
Over the course of one year, individuals who were advised to consume at least 30 grams of fiber daily lost weight, improved their insulin resistance and lowered their blood pressure.
The emergence of Ebola, West Nile virus and other infectious diseases in new places and new hosts, has something to do with changes in habitat triggered by global warming, two researchers claim.
Menopausal symptoms such as hot flashes and night sweats are believed to be short-lived but new research shows that many women experience these for an average of 7.4 years.
Using facial recognition software, a computer scientist has identified that the woman in the Nidd Hall portrait believed to be King Henry VIII's third wife, is actually his doomed second wife Anne Boleyn.
A man pretended to be his blind twin brother in an attempt to get out of traffic tickets. It was eventually learned that the brother he claimed to have does not exist.
The holiday popularly known as the Presidents Day is officially called Washington's Birthday and was originally observed on George Washington's birthday.
Gadgets and technology affects the sleeping patterns of teens but findings of a new study suggest of another culprit that affects young people's ability to get sufficient rest at night.
An amateur photographer was able to capture images of a harbor seal and a giant Pacific Octopus fighting. One of the animals eventually gave up after a 10-minute struggle.
Two physicists have proposed the idea that the universe did not start with the Big Bang because it has no beginning or end.
Researchers involved in the hunt for alien life have proposed sending messages to intelligent extraterrestrial beings in other worlds. Skeptics, however, said that contacting alien civilizations may have serious and devastating implications.