The effects of the Zika virus are "scarier than we initially thought," the CDC announced Monday. The virus has been linked to many birth defects including premature birth and blindness, as well as ...

Researchers have discovered the first giant virus in Finland. The specimen demonstrates that such huge viruses are more common in northern regions than previously thought. Viruses are tiny. Even ...

A precursor to the human immunodeficiency virus (HIV) has been circulating for at least 32,000 years - much longer than scientists previously thought, new research from the University of Arizona shows ...

Researchers have isolated a giant virus, which was named Jyvaskylavirus. The discovery shows that giant viruses are more common in northern regions than researchers have thought. It also illustrates ...