What do you get when you take an alien parasite and smush it together with a human being? Would you get to become a ...

A common parasite expands across species by abandoning sex, boosting short-term spread while risking long-term collapse.

Vivian Nosovitsky told Newsweek the rare eye infection came from bacteria getting into her contact lenses, causing the ...

Scientists have uncovered a hidden battle between a widespread brain parasite and the immune cells tasked with destroying it. A parasite that can quietly persist in the human brain is capable of ...