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 ...

This week in the scientific process: researchers reported the first-ever shark sighted in Antarctic waters. Penguins beware!

A virus that is big enough to be seen under an ordinary light microscope co-opts its host’s systems with the help of ...