Marijuana use among college students has been trending upward for years, but in states that have legalized recreational marijuana, use has jumped even higher

More than 11,000 scientist signatories from 153 countries, declare a climate emergency, present graphics showing trends as vital signs against which to measure progress…

Corporations play critical role in global natural resource management

Stone tools and other artifacts unearthed from an archeological dig at the Cooper’s Ferry site in western Idaho suggest that people lived in the area 16,000 years ago, more than a thousand years earlier than scientists previously thought.

Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health

Metabolic syndrome patients need more vitamin C to break cycle of antioxidant depletion, finds study

Researchers closer to gonorrhea vaccine after new analysis of proteins found six new ones expressed in all strains

Taking typical daily annoyances such as a long wait at the doctor's office or a traffic jam on the freeway in stride may help preserve brain health in older adults, while emotional reactions could contribute to declines in cognition, a new study from Oregon State University has found.

Manta rays’ food-capturing mechanism may hold key to better filtration systems

New research shows that a big earthquake can not only cause other quakes, but large ones, and on the opposite side of the Earth

Scientists trace atmospheric rise in CO2 during deglaciation to deep Pacific Ocean

Groundbreaking poplar study shows trees can be genetically engineered not to spread

Palaeoclimate constraints on anthropogenic warming - Even with global warming limited to within 2°C above preindustrial levels, climate zones and ecosystems will shift, rapid polar warming may release additional greenhouse gases, and sea-level will rise by several meters over several thousand years

Research shows dogs prefer to eat fat, and cats surprisingly tend toward carbs

How a person responds to a difficult life event such as a death or divorce helps shape the development of their wisdom over time