Exoplanet Hunters Made Key Finds in 2015

Beyond the realm of fiction, understanding these worlds remains a significant challenge that astronomers are working hard to overcome. As 2015 winds down, we caught up with noted exoplanet scientist Sara Seager, of the Massachusetts Institute of Technology, at the American Astronomical Society's Extreme Solar Systems III conference in Hawaii to ask her perspective on the field over the past year. The biggest steps, however, came in the slow progress made in better understanding how planets &mdas