Roger Blandford is a professor of physics at Stanford University and was the first director of the Kavli Institute for Particle Astrophysics and Cosmology. In 2008-2010, he chaired the National Academy of Sciences Decadal Survey of Astronomy and Astrophysics. His email is

The latest from Roger

  • Op-ed | Policing the (Cosmic) Neighborhood
    Policy & Politics

    Op-ed | Policing the (Cosmic) Neighborhood

    We might see the danger of asteroid impact, fatalistically, as a matter of chance, like predicting the weather a decade hence. However, this is not so: we should be able to identify and track essentially all of the bodies that will strike Earth catastrophically.