American space and aeronautics agency

Natural Advantages

Why philanthropy is often the best choice for solving public problems.

Space Race at High Pace

Now that billionaires are competing, astroengineering is soaring

Tiny Ships to the Stars

A billionaire s ambitious plans to send stamp-sized spacecraft light years away

Champion Givers

A 15-year update on the winners of the William E. Simon Prize for Philanthropic Leadership