However, at Neptune’s surface, the gravity is only about 1.1 times the gravity we experience on Earth. In other words, if something weighed 100 pounds on Earth, you would find it weighs 110 pounds on ...

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

Researchers use the Subaru Telescope in Hawaii to find a small object on the outer edge of the Solar System. Nicknamed ...

Neptune and Uranus are so similar that scientists sometimes refer to the distant, icy planets as planetary twins. But these ice giants have one big difference: their color.

30 years ago in 1989, @NASAVoyager 2 made a close flyby of Neptune, giving humanity its first close-up of our solar system's eighth planet. Wrapped in teal- and cobalt-colored bands of clouds, the ...

Frigid and far-flung Neptune, our solar system's outermost planet, is adding to its reputation as an enigmatic world, with astronomers puzzled by a surprising drop in its atmospheric temperatures ...

Hiding beneath the outer layers of some planets, there may be something spectacular: a constant rain of diamonds. ... No, Uranus and Neptune don't contain vast quantities of polystyrene, ...

Neptune is still relatively unexplored, as is Uranus, even with the Voyager 2 snapping photos of both planets in 1986 and 1989. CLICK HERE TO GET THE FOX NEWS APP ...

Uranus and Neptune have been visited — briefly — by spacecraft only once, ... The planet’s bluish disk is even smaller, thanks to its greater distance, and appears 2″ wide.

Uranus and Neptune are different shades of blue, and we may finally know why. In visible-light images, Uranus appears a pale blue, while Neptune is a deeper, cobalt hue. Using data from the Hubble ...