Neptune is our Solar System’s furthest planet from the Sun. When it reaches opposition, it will be the closest it may ever come to us Earthlings — only a mere 2.7 billion miles away.

The planets in order from the Sun are Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune. If you include the ...

Stephanie Vermillion is a travel journalist and photographer covering culture and adventure for Travel + Leisure Outside, and ...

As the furthest planets from our Sun, being able to study them in-depth isn’t easy. NASA’s Voyager 2 spacecraft flew by the planets in the 1980s, giving us our first properly side-by-side of ...