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

Suddenly they appear and -- like the SARS-CoV-2 coronavirus -- can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In ...

Bundibugyo virus is an uncommon species of Ebola-causing virus that has been linked to only two other known outbreaks ...

Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye. They’re everywhere. And both can make us sick. Bacteria and viruses ...

Beyond both being viruses, HIV-1 and SARS-CoV-2 don't seem to have a lot in common. HIV-1 is a retrovirus that integrates with its host's DNA for life and can be passed down from mother to child, ...

VIVIAN, LA - DECEMBER 12: With a temperature of 103.8, Asa Moore, 6, of Vivian, Louisiana is examined by John Messier, a physician's assistant, at the North Caddo Surgical and Medical Center for ...

Matthew Taylor likened his recently published work alongside doctoral student Gary Dunn to kicking over a rock. Once the discovery was made, it was time to see what lay beneath. Subscribe to our ...

Although flu and stomach flu sound similar, they are caused by different viruses and have different symptoms and treatment. People sometimes confuse flu and stomach flu because of their similar names.

Add Yahoo as a preferred source to see more of our stories on Google. Bacteria and viruses are often lumped together as germs, and they share many characteristics. They’re invisible to the human eye.