Monica Grady is a leading British space scientist, primarily known for her work on meteorites. Since 2005, she has been professor of Planetary and Space Science at the Open University, and is head of the Department of Physical Sciences. Prior to 2005, Grady was based at the Natural History Museum in London, where she curated the U.K.'s national collection of meteorites. She graduated from the University of Durham in 1979 and completed a doctorate in carbon in stony meteorites at Darwin College, Cambridge in 1982. She has published many papers on the carbon and nitrogen isotope geochemistry of primitive meteorites, on Martian meteorites, and on interstellar components of meteorites.