The word 'virus' gets tossed around a lot. Here's what actually counts, what to watch for, and how to stay two clicks ahead ...

Seeing a trend in increased cancer deaths in the first two years of the COVID-19 pandemic, cancer biologist Julio Aguirre-Ghiso at the Albert Einstein College of Medicine suspected that viral ...

Researchers at the University of Colorado Anschutz Medical Campus have found that respiratory viruses can wake up dormant cancer cells in the lungs. They exposed mice to COVID-19 or the flu. In both ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. The warm, damp ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to [email protected]. Were there already viruses on Earth when the ...

Even viruses have to contend with parasites in the form of sponging relatives – and these cheats may be much more common and important than biologists thought. In flu infections, such viruses may ...

Researchers have unearthed nearly 1,700 ancient virus species hidden within the glacial ice of the Himalayas. These viruses, around three-quarters of which were previously unknown to science, were ...