Enceladus' ice plumes might be the reason why a dark spot on the moon is disappearing. But what is the spot in the first ...

NASA and ESA’s Hubble Space Telescope has been observing the outer planets through a program called OPAL (Outer Planet ...

The enigmatic ice giants, Uranus and Neptune, have long been overlooked in our fascination with the solar system. However, ...

Mercury and the Moon have no atmosphere ... Neptune and Uranus are both thought to have a type of snow made of methane ice ...

From 2014 to 2024, the NASA/ESA Hubble Space Telescope has been studying the outer planets under a program called OPAL (Outer ...

This January, the seven visible planets will align in the sky in a “planet parade.” The rare celestial event will start just ...

A planetary parade is set to be visible in the night sky for the start of the new year -- and this one will bring with it a ...

What planet appears close to the moon? It depends on the night, but throughout the year each of the five closest planets will ...

Studying how much the Uranian moons sway in orbit may reveal whether or not they have oceans inside of them. NASA is in the ...

Test your knowledge on our solar system, from the biggest and smallest planets to the behemoth mountain on Mars.

The proposed mission, known as Uranus Orbiter and Probe (UOP), would conduct a multiyear orbital tour to yield knowledge of ...

New analysis of Voyager 2 observations shows that the craft arrived amid gusty solar wind, muddying our ideas about the giant ...