The decision comes as the Voyager spacecraft face diminishing power supplies due to the gradual decay of their radioactive plutonium.

Linda Spilker, the Voyager mission’s project scientist, spoke to Gizmodo about the challenges that come with operating the ...

But when Voyager 2 got an up-close look at Uranus in 1986, scientists were able to glean some insights that, while ...

This approach can now be used to determine the rotation rate of any celestial object with a magnetic field and auroras — ...

New observations have revealed that we were wrong about the length of a day on Uranus. According to the most precise ...

An analysis of two decades of data from NASA's Hubble Space Telescope has provided fresh insights into the complex ...

Launched in 1977 to study the large outer planets, Voyager 1 and 2 are now, respectively, more than 13 billion and 11 billion miles from Earth, exploring the outer boundary of the heliosphere—a ...

A day at Uranus just got a little longer. Scientists reported Monday that observations by the Hubble Space Telescope have ...

and should do the same for Voyager 2 when it crosses over sometime in the next few years. The PLS looks for the lowest-energy particles in plasma, and can also look for particles moving at ...

Astronomers finally spotted evidence of auroras on Neptune after years of searching, raising new questions about the planet.

NAS's James Webb Space Telescope has captured Neptune’s glowing auroras in the best detail yet. Hints of auroras were first ...

Voyager High-Gain Antenna (HGA) schematic. Note the Cassegrain optics, as well as the frequency-selective subreflector that’s transparent to S-band (2.3-GHz) but reflects X-band (8.4-GHz).