Neptune
Latest about Neptune

Neptune moons: Facts about the elusive moons of the Neptunian system
By Elizabeth Howell, Daisy Dobrijevic last updated
Reference Explore all 16 of Neptune's moons along with their names and dates of discovery. The Neptunian system hosts some very strange and elusive moons.

All aboard the Spaceship Neptune: Flying to the edge of space on a balloon
By Andrew May last updated
Reference Spaceship Neptune will launch from NASA's iconic Kennedy Space Center in Florida and send passengers just below the Karman line.

See elusive planet Neptune in opposition tonight (Sept. 16)
By Robert Lea published
Located at the outer edge of the solar system, the distant planet Neptune will make its closest approach to Earth on Friday, when it will be visible in opposition to the sun all through the night.

Rare Neptune-size exoplanets may face solar superstorms from parent stars
By Robert Lea published
Despite astronomy's success in detecting worlds outside the solar system, there is a troubling gap in the exoplanet catalog. New research may show why Neptune-sized exoplanets are tough to locate.

Planet Neptune will go into reverse as it moves in the sky on Tuesday
By Daisy Dobrijevic published
Neptune will enter retrograde on Tuesday (June 28) and will appear to 'reverse its course' as it moves across the sky. Here's how to see it.

Neptune is cooling down and scientists don't know why
By Tereza Pultarova published
Two decades worth of observations revealed unexpected cooling of the solar system's most distant planet Neptune amid astronomical summer.

Cosmic objects with strange orbits discovered beyond Neptune
By Stephanie Pappas published
A six-year search of space beyond the orbit of Neptune has netted 461 newly discovered objects, including four that could shed light on Planet Nine.

Neptune reaches opposition today: How to see the distant planet
By Samantha Mathewson published
The solar system's outermost planet, Neptune, reaches opposition today, and here's how you can catch a glimpse of the distant gas giant.
Breaking space news, the latest updates on rocket launches, skywatching events and more!