Alignments of five or more planets are rare—there will be two more featuring five or more planets this year, but after that ...

Later in the month, anyone with a clear, unobstructed view of the horizon may be able to see all five bright planets stretching across the sky. Two of these planets, Mercury and Saturn ...

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 ...

An artist’s impression of the two new planets discovered. An inner super-Earth, here seen transiting in front of the orange host-star and an icy giant planet on the periphery of the system.

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

Four planets will be in the parade in January, while seven will align in February. Here's how to see the events.

After that, Saturn will be closer to the horizon and Venus will be higher in the sky. The other two planets that you can see with your eyes alone are Jupiter, which will be bright and higher in ...