When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

New insights into how ants and bacteria became a single organism may lead to a better understanding of the origin of complex organisms, researchers report.

When water stagnates in pipes, harmful metals and bacteria can accumulate and make people sick. Buildings that were shut down for weeks during the pandemic may be at risk.

The findings from a toddler’s severe infection with Shiga-toxin E. coli could help identify genetic markers and potential vaccines for the increasingly common pathogen.

SMART researchers find exposing bacteria to hydrogen sulfide can increase antimicrobial sensitivity in bacteria that do not produce H2S.

Findings related to bacterial gene expression overturn fundamental assumptions about basic biological pathways.

"It seems that evolution is myopic. It focuses on the most immediate problem, puts a Band-Aid on, and then it moves on to the next problem..."

The way our immune systems react to COVID-19 could crack one of the pandemic's greatest mysteries: Why do some people get so sick while others don't?

In the face of antibiotics, some bacterial cells use "necrosignaling" to warn their comrades and give them enough time to adapt.

A major hypothesis holds that Christopher Columbus and his crew brought syphilis back to Europe. But new evidence suggests it was already there.