Using nineteenth-century birth rates, he projected that the number of people on the planet would double three times every century.

NEWYORKER: The Case Against Kids

Astronomers using the Kepler telescope found the first known double-star planet just last September Kepler-16, a gassy oddball orb the size of Saturn that circles a pair of stars 200 light-years from Earth, like the planet Tatooine in the "Star Wars" films.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate

Astronomers using the Kepler telescope found the first known double-star planet just last September Kepler-16b, a gassy oddball orb the size of Saturn that circles a pair of stars 200 light-years from Earth, like the planet Tatooine in the "Star Wars" films.

WSJ: Galaxy Hosts 100 Billion Planets, in New Estimate