After Friday's spectacle, a "planet parade" of this size won't appear in the night sky for several years, experts say.

Currently, Voyager 1 is over 15 billion miles away (25 billion kilometers), and Voyager 2 is over 13 billion miles away (21 ...

Let’s get this out of the way—any scientist studying Uranus will tell you that they’re tired of the planet being the butt of ...

In an effort to conserve Voyager 2's dwindling energy and extend the spacecraft's mission, NASA has shut down another of its instruments.

While all seven planets could appear in some form in parts of the U.S., not all of them will be visible to the naked eye.

Engineers at NASA's Jet Propulsion Laboratory have conserved energy supplies on the record-setting Voyager 1 & 2 deep space ...

For example, you’ll need binoculars or a small telescope to see Uranus and Neptune—so, while the seven planets will be there, ...

The solar system's planets are set to align in the night sky in a dazzling planetary alignment, colloquially known as a ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune and Uranus could be visible, but not all can be seen by the naked eye.

An alignment of seven planets will appear, whether by the naked eye or with the use of a telescope, this month in the U.S. Here's how to spot it.

It's unlikely you'll be able to walk outside and see a line of planets, but according to NASA, a seven-planet parade happening tonight could be visible in some form in parts of the U.S. The ...