Apr 29, 2025 · This diagram shows the orbits of several of Neptune's moons. Explore a curated collection of resources about ice giants, including activities that can be done at home, as well as …

When Pluto was discovered, it was considered a planet, and Neptune thus became the second-farthest known planet, except for a 20-year period between 1979 and 1999 when Pluto's elliptical orbit …

Feb 13, 2026 · Neptune, third most massive planet in the solar system and the eighth and outermost planet from the Sun. Neptune has 14 moons, only two of which were discovered before Voyager 2’s …

Apr 21, 2025 · Neptune is one of two ice giants in the outer solar system (the other is Uranus). Most (80% or more) of the planet's mass is made up of a hot dense fluid of "icy" materials – water, …

This infographic features an image of Neptune along with a series of facts that highlight some of the differences between Neptune and Earth. (Credit: Canadian Space Agency)

2 days ago · This “planetary parade” consisting of Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter will appear shortly after sunset on February 28, according to NASA.

Feb 3, 2026 · Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear together shortly after sunset on Feb. 28 — but is this the "planet parade" we've been waiting for?

2 days ago · As NASA explains, shortly after sunset on February 28, Mercury, Venus, Neptune, Saturn, Uranus, and Jupiter will all be visible in the night sky. However, there are some caveats to consider ...

2 days ago · Mercury, Venus, Jupiter, Saturn, Uranus and Neptune will be visible from Earth on Feb. 28. Here’s how to see them.

Feb 11, 2026 · According to NASA, Mercury, Venus, Neptune, Saturn, Uranus and Jupiter will appear shortly after sunset.