NASA's Voyager 2 spacecraft made its closest approach to Jupiter. It came within 354,000 miles (570,000 kilometers) of the ...

Neptune is called an “ice giant” because it’s mostly made of a thick, slushy mix of water, methane, and ammonia, which ...

The Voyager missions are among the most groundbreaking and enduring space endeavors in history. Launched in 1977, Voyager 1 ...

The distant planet Neptune stands still against the background stars of Pisces in the early-morning sky, still visible close ...

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