Researchers have proposed a new evolutionary model for the origin of a kingdom of viruses called Bamfordvirae, suggesting a billion-years evolutionary arms race between two groups within this kingdom ...

PHOENIX – Long before the coronavirus pandemic, Kathleen Muldoon knew what it felt like to have her life changed by a virus. In 2013, Muldoon was teaching embryology at the Geisel School of Medicine ...

Besides serving as food for certain microbes, viruses perform some helpful functions that remain poorly understood. A ciliate, a type of single-celled microbe, swims next to Sphagnum moss, amplified ...

Snippets of ancient viruses are embedded in the human genome and active in many healthy tissues. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.

S1: Welcome back. You're listening to KPBS Midday Edition. I'm Jade Hindman. The coronavirus pandemic brought new attention to the practice of virus hunting. This is research involving emerging ...

Viroids are tiny strands of circular, infectious RNA. They differ from viruses in that they do not have a protective protein coat and that they do not encode any proteins of their own. They are also ...