Many great innovators have personality traits in common. Comfort with uncertainty is critical, but passion, curiosity and a number of other learnable skills can prime you for an innovate idea.

Christian Kroll is the boss of Ecosia, which donates 80% of its profits to tree-planting projects.

Inventors in states with more socially liberal laws on the books end up with more diverse collaborators – and more higher-impact patents.

Economist Pierre Azoulay answers three questions about his finding that middle-aged entrepreneurs fare better than twentysomethings.

Multimillionaire computer games veteran Richard Garriott is also a pioneer of space tourism.

The entrepreneur would not reveal why he had renamed the craft, which has still not yet been built.