Reduced levels of circulating vitamin K are linked to an increased risk of mobility limitation and disability in older adults, according to a study published...
A perfectly preserved head of a large wolf has been unearthed from the melting permafrost in eastern Siberia.
The head of a Pleistocene wolf. Image credit:...
Professor John Terning and Dr. Christopher Verhaaren from the University of California, Davis, have a new candidate for dark matter — a dark monopole...
Astronomers using the NASA/ESA Hubble Space Telescope have discovered that the yellow color visible on portions of the surface of Europa, the second Galilean...
Nitric oxide (NO), a radical gas molecule produced by nitric oxide synthase, prevents high blood pressure and artery plaque build-up in the human body....
Pterosaurs were winged flying reptiles that lived at the same time as dinosaurs, between 210 million and 65 million years ago. Previously, they were thought...
Two new species of shrewlike rats have been discovered living in the montane and mossy forests of Luzon Island, Philippines.
The Mingan shrew-rat (Rhynchomys...
Galaxies are important building blocks of the Universe. Some are simple, while others are very complex in structure. In 1927, as one of the first steps...
Exposure to artificial light while sleeping may be a risk factor for weight gain and development of overweight or obesity, says a new study from the National...
A research team led by University of Rochester physicists has conceived an idea for a superconducting quantum refrigerator, which would cool atoms to nearly...
An international team of astronomers has found that the central black hole of the nearby spiral galaxy NGC 4395 has a mass of about 10,000 solar masses...
A team of biologists from the Universities of Guelph and Toronto has discovered that a species of carnivorous plant called the northern pitcher plant (Sarracenia...
A team of scientists from Linköping University, Sweden, has examined how stress levels in dogs are influenced by their owners and lifestyle factors. The...
Astronomers using the Low-Frequency Array (LOFAR) telescope network have detected a vast ridge of radio emission connecting the merging galaxy clusters...
A species of dragonfish called Aristostomias scintillans is a voracious predator of the deep sea with an arsenal of tools to hunt prey. It has proportionately...
A 3,300-foot- (1 km) wide asteroid struck our planet 1.2 billion years ago, according to new research published in the Journal of the Geological Society.
An...
The NASA/ESA Hubble Space Telescope has produced a spectacularly detailed image of a spiral galaxy called NGC 4051.
This Hubble image shows the intermediate...
In a new study, a team of researchers from Pharmavite LLC and Nutrition Impact LLC found that people who got fewer than seven hours of sleep per night...
Sloths once roamed the Americas, ranging from cat-sized animals that lived in trees all the way up to giant ground sloths. The only species we know today,...