But of these planets, which is nearest to the sun? Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, ...

Six planets are parading across the sky, appearing as some of the night's brightest stars. A few easy tips can help you ...

Astronomers from MIT, the University of Liège in Belgium, and other institutions have stumbled upon a truly bizarre planet—an ...

Small in comparison to the gas planets found further from the Sun, they also rotate at a more sedate pace and have few moons… The four rocky planets are Mercury, Venus, Earth and Mars.