Chemistry

Sulfur emissions cause acid rain but a chemical reaction can remove almost all of the substance

“Smart drugs” are not clinically proven and could be dangerous

If anything's alive on the ice-covered ocean world of Europa, a future NASA mission hopes to find it.

What appears to be accepted science in the courtroom may not be accepted science among scientists.

Diamond-based imaging system uses magnetic resonance of electrons to detect charged atoms 

A fiery science project

A new nanoparticle coating may allow the material to be erased and reused more than 80 times

Doing large studies of marijuana's potential as medicine means getting it removed from an official federal list of substances with no official medical use—which requires more proof of its potential as medicine.

Traces of the lethal chemical, smeared on Kim Jong-nam’s face at a Malaysian airport, can penetrate skin and kill fast

Properly fermented foods deliver probiotics that could help cut disease risk, said a researcher at the annual meeting of the AAAS.

Researchers have developed a heat sensor that can detect temperature changes of just ten thousandths of a degree Celsius—comparable with the sensitivity of pit vipers. Christopher Intagliata reports.

Researchers at IBM assembled the fragile molecule atom-by-atom using a specialized microscope