In a conventional system like our own, rocky planets such as Mercury, Venus, Earth, and Mars orbit closest to the host star. Farther out, gas giants ...
A planetary system 116 light-years from Earth has a peculiar pattern. It could flip the script on how planets form, scientists say.
After years of observation, researchers finally understand how a pair of stars can maintain a stable orbital dance with an elusive planet. In 2004, David Ramm at the University of Canterbury in New ...