The mimivirus is the largest virus known to scientists, about half of a micrometre (0.0005 millimeter) in diameter. It is more than 10 times larger than the virus that causes the common cold and – ...

As summer kicks into full gear and people are spending more time outside, there's one thing on many people's minds—ticks. Tick season is starting earlier and lasting longer, and ticks are popping up ...

Better designed vaccines for insect-spread viruses like dengue and Zika are likely after researchers discovered models of immature flavivirus particles were originally misinterpreted. Researchers from ...