Back to Triton? Proposed Mission Would Return to Neptune’s Exotic Largest Moon

Neptune’s largest moon Triton as seen by Voyager 2 in 1989. The proposed Trident mission would be the first to return to this bizarre world in over three decades. Photo Credit: Credit: NASA/JPL/USGS

Much of the outer Solar System has now been visited by robotic spacecraft from Earth, including the gas and ice giants […]

Voyager 2 to Enter 11-Month 'Quiet Mode' During Deep Space Network Upgrades

The 70-meter-wide (230-feet-wide) radio antenna at the Deep Space Network’s Canberra site in Australia. It is the only antenna that that communicate with Voyager 2 from the southern hemisphere, and will be undergoing crucial upgrades for 11 months beginning in March. Photo Credit: NASA/Canberra Deep Space Communication Complex

With so many space missions currently exploring […]

Shrinking Triton: Remembering Voyager 2's Encounter With Neptune, 30 Years On (Part 4)

Neptune, as seen by Voyager 2 in 1989. No other missions have yet returned to this enigmatic world. Photo Credit: NASA/JPL

READ Part 1, Part 2 and Part 3 of AmericaSpace’s Neptune 30th anniversary commemorative feature.

Thirty years ago today, NASA’s Voyager 2 spacecraft swept silently over the royal-blue clouds of Neptune at […]

Wild World: Remembering Voyager 2's Encounter With Neptune, 30 Years On (Part 3)

The Great Dark Spot and Bright Companion, together with the chevron-like “Scooter” are visible in this Voyager 2 image of Neptune. Photo Credit: NASA

READ Part 1 and Part 2 of AmericaSpace’s Neptune 30th anniversary commemorative feature.

Thirty years ago this weekend, NASA’s Voyager 2 spacecraft swept silently above Neptune’s royal-blue cloud-tops and […]

Remembering Voyager 2’s Visit With Neptune, 30 Years On (Part 2)

Artist’s concept of Triton and its thin atmosphere, with Neptune and the distant Sun in the background. Image Credit: European Southern Observatory (ESO)

Thirty years ago, this month, humans and technology steeled themselves for the last, first-time, close-up glimpse of a new planet in the 20th century. NASA’s Voyager 2 spacecraft, launched in August […]

Giant Radio Ear: Remembering Voyager 2's Encounter With Neptune, 30 Years On (Part 1)

Neptune and its large moon, Triton, as seen by Voyager 2 in August 1989, three days after closest approach. Photo Credit: NASA

Thirty years ago, this month, all eyes were on the outermost reaches of the Solar System, as humanity braced itself for its last, first-time, close-up glimpse of a new planet in the […]

To Keep Boldly Going: NASA's New Plan for the Voyager Mission

Artist’s concept of one of NASA’s Voyager spacecraft, including the location of the cosmic ray subsystem (CRS) instrument. Image Credit: NASA/JPL-Caltech

With all of the current and recent planetary missions throughout the Solar System, it may be easy to forget sometimes that there are still some older spacecraft that have been traveling for decades […]

Torn Apart at Birth: 70 Years Since the Discovery of Miranda, Mysterious Moon Viewed by Voyager 2

Uranus’ moon Miranda shows signs of past geological activity, with deep canyons and other chaotic terrain. Photo Credit: NASA/JPL-Caltech

Seventy years ago, the existence of a new world was added to the growing vault of human knowledge. More than 1.8 billion miles (2.9 billion km) from Earth, circling the gaseous planet Uranus, its […]

Four Decades, Four Planets: Voyager 2 Celebrates 40 Years of Deep Space Exploration

The Voyager adventure began 40 years ago, today, on 20 August 1977. Image Credit: NASA/JPL-Caltech

Forty years ago, today, on 20 August 1977, a space explorer rose from Earth on a multi-decade adventure, which would unveil all four of the Solar System’s giant gaseous planets in unprecedented detail. Despite being originally detailed to […]

Leading Planetary Scientists Discuss Prospect of Missions to Uranus and Neptune

Uranus and Neptune: the Solar System’s unique ice giant planets, of which we only got brief glimpses during the Voyager 2 flybys in the 1980s, beckon for further, more detailed exploration. Image Credit: NASA

Last year’s historic close flyby of Pluto by NASA’s New Horizons spacecraft put the outer Solar System firmly back […]