We often think of fungus as bad but consider this one to be a "goodie". Its victim, the heath-star moss, is all over Britain.

Newly found immune cells called ‘ruptoblasts’ explode when triggered, ejecting toxic chemicals capable of delivering death to surrounding cells in just minutes. The cells’ discoverers say that this ...

Cytotoxic T lymphocytes are the body's specialized "killers", precisely eliminating infected or cancerous cells. Their action relies on a specialized exchange zone called the "immune synapse", where ...

Despite extensive efforts to combat malaria through diagnostics, treatments, and vaccines, the disease continues to pose a ...

A novel pill helped people with advanced pancreatic cancer live longer, researchers reported Sunday, raising hopes of ...

Between 1972 and 1983, Robert Hansen killed at least 17 women, many of whom police didn't even know were missing Caroline Blair is a writer for PEOPLE. She has been writing about celebrities, ...

Can you crack Killer Sudoku's mathematical twist? Try our classic expert Sudoku here. The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In ...