Up until now, exoplanet surveys have mostly focused on nearby, bright stars that are sun-like or are red dwarfs, which are known to frequently host planets. While astronomers have discovered thousands ...

Mass: 4.867 × 10^24 kg (0.815 M⊕) Distance from Sun: 228 million km Orbital period: 687 days Surface area: 55.91 million mi² 'Planetary parade' will see SIX planets align in rare spectacle tonight - ...

Sixty-six light-years away, an Earth-sized exoplanet completes an orbit in under six hours, skimming around its star at nearly one-hundredth the distance that Mercury orbits the Sun. This planet is on ...

Astronomers from the University of Warwick have observed an exoplanet orbiting a star in just over 18 hours, the shortest orbital period ever observed for a planet of its type. It means that a single ...