Study suggests the dangerous antibiotic-resistant bacteria known as MRSA first evolved naturally.
A particle accelerator-powered imaging tool has opened new windows into human anatomy.
Fallen vaccination rates pose a threat to this vulnerable population.
Cells exposed to an inflammatory signaling molecule are quicker to commit suicide -- but speed can lead to mistakes.
A new model suggests that many more mammal species than was previously known could host the creation of novel coronaviruses.