A team working with data from the dearly departed Kepler space telescope has reported a possible moon orbiting an exoplanet some 5,000 light years away. It falls somewhere between the size of Earth ...

Astronomers have discovered a rare planetary system that dances to a cosmic rhythm. Located 105 light-years away in the constellation Coma Berenices, HD 110067 hosts six planets roughly the size of ...

For the first time, astronomers have discovered what could be an exomoon, a moon outside our solar system. The so-called exomoon, which is estimated to be the size of Neptune, was found in orbit ...

There aren't a lot of Hot Neptunes in the galaxy, and it's not entirely clear why. A Hot Neptune is, as the name implies, a Neptune-sized planet orbiting within 1 AU of its host star. While we've ...

For decades, Uranus and Neptune have been filed neatly into the “ice giant” drawer, shorthand for worlds built mostly from ...