Mars and the moon will also be in conjunction tonight. If you're lucky enough to have clear skies tonight, you can catch a ...

The discovery of a rogue planet with a disk around it indicates the presence of "mini planets" or moons ... system are gravitationally bound to the sun. But rogue planets move through interstellar ...

Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our ... with a mass around one-sixth that of the sun. At 5.97 light-years from Earth, it is ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an inferior conjunction.

The planets are all too hot for life as we know it, but astronomers haven’t given up searching for more planets in Barnard's Star's habitable zone. Scientists have confirmed the existence of ...