A town in the Austrian Alps might not seem like the most conducive place to come up with daring space missions. But, for the ...

Voyager 2's visit to Uranus may have left us with the complete wrong impression of the ice giant for nearly 40 years, ...

Much of what we understand about Uranus comes from data gathered by NASA's Voyager 2 spacecraft. Thirty-eight years ago, this ...

Located around 30 times as far from the Sun as Earth, Neptune is not visible to the naked eye. The planet's blue color comes from methane in its atmosphere, which absorbs red wavelengths of light.

When it came to discovering Neptune, scientists didn’t need to see to believe. The eighth planet in our solar system was ...

Voyager 2 preceded it into space by 16 days, but Voyager 1 quickly overtook it on a faster trajectory, and arrived at Jupiter 4 months before its sister craft. Voyager 1 took this photo of Jupiter ...

A new study suggests Earth’s Moon may have been “captured” from a binary system, challenging the long-held impact theory and ...

Since then, the planet has only been visited once by spacecraft when, in 1989, Voyager 2 completed its 'Grand Tour' of our solar system's outermost planets. It took this image of Neptune and its moon ...

The Voyager 2 spacecraft’s energy budget keeps dropping by about 4 Watt/year, as the plutonium in its nuclear power source is steadily dropping as the isotope decays. With 4 Watt of power less ...

NASA has turned off Voyager 2's plasma science instrument to conserve power, enabling the spacecraft to continue its mission until the 2030s. Launched in 1977, Voyager 2 is over 12 billion miles ...