New formulation of controversial pain killer oxycodone has added ingredient meant to reduce abuse of drug. If crushed and snorted or injected, euphoric effect is muted.
Data errors may mean increase in Antarctic sea ice isn't really happening, study finds. Changes in algorithm used to estimate ice cover may have introduced errors, researchers say.
Head of CDC bioterror lab resigns in wake of safety, security breaches at agency. In wake of anthrax accident he had been reassigned, CDC says.
Fourth of July saw fewer blood donations than expected, Red Cross warns of shortages. Agency has appealed for donors of all blood types.
Risk of ship strikes on blue whales could be reduced with changes to U.S. West Coast shipping lanes, researchers say. Study of tagged whales has identified feeding areas that put the animals at risk from ships.
Study suggests dogs can get jealous, perhaps when social bonds are threatened. Researchers say findings contradicts assumption jealousy is a strictly human response.
Evolution of bigger, more efficient aircraft mimics that of development of living creatures that fly, study finds. Finding suggests some aircraft, like supersonic Concorde, strayed down evolutionary "dead ends".
Elephants, with their long trunks, are found to have the most discerning noses in the animal kingdom. Dogs have more sensitive noses, but elephants can distinguish among thousands of odors, besting our canine friends.
Scientists team up microscopes and computers to track cells in a developing embryo. Technique yields a 3D view of how each cell grows and changes, they say.
Bats can used polarized light at sunset to calibrate their internal compass for nighttime flight, study finds. Exact technique remains unknown, researchers admit.
Finding of deadly MERS virus in infected barn suggests disease might spread through the air. If true, disease might spread to humans more easily, researchers say.
Genetics study provide more evidence of biological origins of schizophrenia. Finding could improve detection, treatment.
HIV hibernating in human cells can be "flushed out" into the open by an anti-cancer drug, study shows. Finding could open new avenue for eventual HIV cure.
Winner of Miss Idaho pageant proudly displays her insulin pump, clearly visible in contest's swimsuit competition. She's proud to promote awareness of the disease, she says.
Caffeine powder used as an energy booster or a weight loss aid can be fatal, experts say. FDA is investigating after death of Ohio high school wrestler.
Prominent figures in AIDS research among victims in downing of Malaysia Airlines flight MH17. Six were on their way to AIDS conference in Melbourne.
Mosquitoes infected with dangerous horse disease that can be contracted by people found in Massachusetts. Residents urged to protect themselves from mosquito bites.
An iron meteorite nearly 7-feet long discovered on Martian surface by NASA rover. The iron-rich space rock has been dubbed "Lebanon" by scientists.
Family hopes Facebook can help find kidney donor for ailing father. Georgia police officer Raleigh Callaway said in Stage 5 kidney failure.
First cases of mosquito-borne disease hitting the Caribbean region hard are confirmed in the U.S. One patient thought to have been infected here, not during travel abroad.
Study links genetics and levels of human happiness. Finding could reveal why Danes regularly top list of world happiest people, researchers say.
Fish oil might lessen inflammation, cell death in brain alcohol abusers. Experiments with rats finds Omega-3 oils reduce impact of alcohol on brain cells.
U.S. teens and young adults account for most new cases of HIV, but they're not getting tested, report says. Most unaware they are infected, researchers find.
Nesting pair of bald eagles spotted on island off California is an encouraging sign, conservationists say. Sighting confirms the birds are returning to their historic range.
New earthquake hazard map shows U.S. Midwest and East Coast at higher risk of earthquakes than previously believed. Seismic hazard map given first update since 2008.
Space agency seeks proposal for instruments to study Jupiter's moon Europa. Main focus will be liquid water ocean believed to exist under moon's icy surface.
Effort to determine genome of bread wheat is on the home stretch, researchers say. Knowledge could bring better, hardier varieties of the globally-important grain.
"Biological" pacemaker could replace electronic version in humans, researchers say. Gene therapy can create alternate "timekeeper" for the heart, they report.
Scientists use laser to create immense pressures to see what happens to matter inside stars, planets. A diamond was subjected to pressures like those inside Saturn.
Network of sensors yield underground 'X-ray' of volcanic plumbing under Washington's Mount Rainier. Study tracks magma from deep origins toward volcano's peak.