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 in […]

NEXT Establishes New Test Duration for Xenon Engine

NASA’s Evolutionary Xenon Thruster (NEXT) has completed 48,000 hours—or 5.5 years—of operation, marking the longest duration of any space propulsion test in history. Photo Credit: NASA/Astronautix.com

NASA’s Evolutionary Xenon Thruster (NEXT) has established a new record for the longest test duration of any type of space propulsion system in history, having successfully operated for […]

A Bum Deal: ‘Boring’ Uranus Turns ‘Interesting’

Viewed from 600,000 miles beyond the planet on 25 January 1986 – a day after closest approach – this Voyager 2 image reveals Uranus as a mere sliver of a crescent. This was the last occasion on which human eyes would glimpse the strange, topsy-turvy world in close-up. Our next robotic visitor to the […]