Mars will be making its closest approach to Earth in two years, and thus, the mighty red planet, named for the god of war ...
The enormous visitor to our solar system may have been about 8 times the mass of Jupiter, and come nearly as close to the sun ...
Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...
A parade of planets will be visible to skywatchers around the globe through the rest of this month and into February.
Tonight, stargazers can see a rare "planet parade" as six planets form a visible arc: Mars, Jupiter, Uranus, Neptune, Saturn, ...