All seven of the other planets in our solar system are about to become visible at once in a great planetary alignment – ...

Four planets will be widely visible to the naked eye through part of February, but calling them a 'planetary alignment' may not be the full picture.

If a planet is visible from the night side of Earth, it’s always seen along an imaginary path through the sky called the ecliptic. This is the plane of the solar system. The ecliptic can easily ...

Mars, Venus, Jupiter and Saturn should be visible to the naked eye, but with a telescope you can spot Neptune and Uranus.