A team of astronomers led by the Center for Astrophysics | Harvard & Smithsonian has discovered a rare object far beyond ...

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 ...

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 ...

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