Old sock smell signals contamination but doesn't belong to TCA, study proposes

Mantle plume might have left trail of hot rock under continental US

Amino acids in collision residue support importance of extraterrestrial impacts

NASA rover catches silhouette of Martian moon

Lefties and righties can thank same DNA that puts hearts on left side for hand dominance

People get a charge out of running victimless scams

Humans might have migrated across the arid region along three once-lush waterways

Gravitational constant is difficult to measure, but physicists calculate new number

Gravitational constant is difficult to measure, but physicists calculate new number

Tiny teeth on hiplike structures keep legs in sync

Solar blast data provides definitive evidence that spacecraft has cruised beyond the sun’s clutch

Two people with different symptoms had amyloid-beta fibers with different shapes

Invasive fish break people's bones and threaten native species

Whale numbers double at a feeding site in Canada

DNA immunization protects hamsters and mice from Leishmania parasite

An accidental spill of extra-heavy crude oil points to some unusual challenges in safely getting this petroleum to market

With some practice, people over 60 bested untrained 20-year-olds

Scientists made a hamburger without harming animals; but it cost as much as a house

New lightweight, x-shaped blocks could be used to make cars, planes, buildings – and even spacecraft

Restoring a chemical in the gut sends a message to mouse brains to stop overating