Vatican authorities said Monday that Pope Francis has a complex infection in his respiratory system and will require more targeted drug treatment. Here's what to know.

Their discovery showed that even tucked away in our innards – in the walls of our stomachs, subjected to vinegar-like pH ...

Scientists found that evolution itself can evolve. Organisms exposed to changing environments develop a better ability to ...

Elad Harel is used to shining a light on the mysteries of the natural world. Working at the cutting-edge of ultrafast ...

Synthetic cells that look just like natural cells but are chemically reversed could outcompete other living organisms − with ...

The virus, called highly pathogenic H5N9, is a type of avian influenza, otherwise known as "bird flu." This is not the same type of bird flu that's already been spreading on dairy cow and poultry ...

which they called "Obelisks," that appeared similar to viruses but with multiple key differences that make them a different type of organism. For starters, the Obelisks do not match any previously ...

With positive cases of HMPV hitting a record high this winter season so far, how worried should we be? A typically lesser known virus is looking to make its mark this winter – the human ...

While H5N1 is more common, H5N9's emergence prompted investigations following 67 reported human bird flu cases in the US. A virus which was found in China almost a decade back is now causing concerns ...

Unlike Covid-19, HMPV is not a new virus. It has been around for decades, and it’s normal for cases to climb in the cold winter months. But long-standing concerns over China’s response to the ...

The only natural host of the hepatitis C virus (HCV) is humans. Model organisms for laboratory studies, especially mice, cannot be infected, which makes the search for a vaccine against HCV ...