This doesn't help settle the matter of whether viruses or bacteria emerged first, however, because that same data suggests the first cells were already living in an ecosystem teeming with viruses.

Viruses in the cold waters of the Arctic are strongly seasonal and are also detected in the Antarctic. This surprising discovery comes from a multi-year time-series study led by the GEOMAR Helmholtz ...

Far too small to be seen by the human eye, viruses and bacteria are identified by being placed under the microscope by ...

Humans have been getting infected by ancient bacteria and viruses for at least 37,000 years. Now, for the first time, pathogen DNA has uncovered a pivotal disease "turning point" that happened ...

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The viruses that kill bacteria may be our best bet against antibiotic resistance — if we can understand how they win.

Kids and adults need to be cautious to stay protected from viruses and bacteria in public places. Bathing daily and washing your hands frequently can help keep germs at bay.

You can’t beat time on the water during the summer months, but the city of Sacramento is encouraging boaters in particular to be mindful of the impact their actions have when they're out recreating.

Read the latest medical research on the prevention, management, and treatment of COVID-19 and the SARS-CoV-2 virus. This section also covers earlier related diseases, including SARS.

A new study has revealed that "junk DNA" descended from ancient viruses could play a key role in controlling genes.