The search for a planet like Earth – one with temperatures, oceans, and an atmosphere suitable for life has been a little like Goldilocks’ search for a decent bowl of porridge: some are too hot, some are too cold, but some are “just right.”

Learn the techniques astronomers have already used to find more than 2,000 tiny, dark worlds in orbit around distant stars – some in the Goldilocks Zone.

As we add exploration tools like the Thirty Meter Telescope atop Hawaii’s Mauna Kea, we will undoubtedly find thousands more!