In evolutionary biology, all life on Earth is theoretically part of a single phylogenetic tree, indicating common ancestry.

Giant viruses are so named because of the size of their genome. (Tumeggy/Science Photo Library/) Researchers have discovered ...

When a pathogen like a dangerous virus invades the human body, it usually has to enter human cells to cause an illness. Influenza has to latch onto a receptor on the surface of a human cell so it can ...

Progressive multifocal leukoencephalopathy (PML) is a rare but serious brain infection. It gradually destroys brain tissue and often leads to death within a few weeks. It is triggered by human ...

Bacteriophages, or phages, viruses that selectively target and infect bacteria, have drawn growing attention for their potential use in a host of biotechnological processes to benefit humankind, from ...

A giant virus discovered in Japan is adding fuel to the provocative idea that viruses helped create complex life. Named ushikuvirus, it infects amoebae and shows unique traits that connect different ...

Scientists at La Jolla Institute for Immunology (LJI) have discovered that combining key vaccine ingredients could give the ...

Although bioprocessors employ cell cultures to develop new treatments for viral infections, viral contamination can stymy any cell culture-based process, including the development of most any ...