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 […]

Uncertain Journey: 30 Years Since Voyager 2's Encounter With Uranus (Part 1)

Visible only as a crescent, Uranus recedes from Voyager 2 in the days after Closest Approach. Photo Credit: NASA

Thirty years ago, today and tomorrow, NASA’s Voyager 2 spacecraft gave humanity its first close-up glimpse of Uranus. Known for more than two centuries, and frequently the “butt” of many off-color jokes, this giant […]

Dawn Spacecraft Begins Extensive Study of Dwarf Planet Ceres from Lowest Orbit

Artist’s conception of Dawn orbiting Ceres. Image Credit: NASA/JPL-Caltech

The Dawn spacecraft just recently entered its lowest and final orbit around the dwarf planet Ceres, providing the closest look ever at the puzzling world. Dawn will, of course, be taking thousands more high-resolution photographs, but what else will it be doing during the […]

New Horizons Conducts Final Course Correction for New Year's Day Flyby of Next KBO in 2019 

New Horizons has completed the four course corrections needed to send it on its way to its next target in the Kuiper Belt, 2014 MU69. Image Credit: NASA/JHUAPL/SwRI

After having completed a wildly successful flyby of Pluto and its moons, the New Horizons spacecraft was given a new target, much farther out in […]

'We're Working It, Folks': New Horizons Experiences Communications Loss, Ten Days Out From Pluto

After a 9.5-year voyage across the Solar System, New Horizons is just days away from humanity’s first close-up reconnaissance of the last of the traditionally accepted nine planets. Image Credit: NASA

Less than 10 days and a mere 7.2 million miles (11.6 million km) from its quarry—the dwarf world Pluto, its binary companion […]

Atomic Clock project Will Bring Better Navigation, More Data for Exploration Missions

This is a laboratory mock-up of Deep Space Atomic Clock. It does not contain flight components, but is a rough representation of what DSAC will look like when it flies. Photo credit: NASA/JPL

A new NASA technology demonstration mission, the Deep Space Atomic Clock, or DSAC, promises to improve data gathering and navigation […]