Polymer may pave the way for drugs to which bacteria are significantly less resistant, a breakthrough that could save hundreds of thousands of lives per year.

A new molecular drill can target and destroy drug-resistant bacteria within minutes—and can even make the antibiotics effective again.

Salmonella is getting really good at antibiotic resistance. And it's moved beyond small children and the elderly to affect otherwise healthy adults, too.

A new poll shows that a number of older adults are still saving leftover antibiotics and even sharing them with loved ones. That's not good.

By tweaking bacteriophage genomes, MIT team creates a new weapon to combat infection.

Antimicrobial resistance is on the rise as people around the world eat more meat and raise more livestock.

One gene mutation seems to make it much more likely that people will fight off MRSA infections, which could lead to new treatments.

New findings about gut bacteria in mice may be a step toward helping humans to better tolerate antibiotic treatment.

"We're no longer saying, ‘Let's just start them on antibiotics because it's better to be safe than sorry.' Now we know there's a risk..."