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 […]

Parker Solar Probe Marks 1st Year with 50% More Data than Expected from Flybys of Sun

Artist’s conception of the Parker Solar Probe making a close flyby of the Sun. Image Credit: Steve Gribben/NASA/JH-APL

Today, August 12, is the first-year anniversary of the launch of NASA’s Parker Solar Probe (PSP), which is already revolutionizing our understanding of the nearest star, our Sun. PSP is conducting multiple close flybys, coming closer […]

Cassini Sends Back Spectacular New Images From First-Ever Dive Between Saturn and its Rings

Three of the new raw images taken during Cassini’s first dive between Saturn and its innermost rings. Image Credit: NASA/JPL-Caltech/Space Science Institute

After waiting with bated breath last night, everyone following Cassini’s first-ever dive through the gap between Saturn and its rings let out a collective sigh of relief – the spacecraft made […]

Cassini Completes Last Flyby of Titan and First Dive Between Saturn and Rings in 'Grand Finale'

Raw image from Cassini’s last-ever flyby of Titan, taken on April 21, 2017. Photo Credit: NASA/JPL-Caltech/Space Science Institute

NASA’s Cassini spacecraft has now officially entered the last phase of its mission – the “Grand Finale,” with the last-ever close flyby of Titan and the first of 22 final orbits which will take the […]

Ten Years at Mars: Mars Reconnaissance Orbiter Celebrates a Decade of Discovery

Illustration of Mars Reconnaissance Orbiter (MRO) as it entered orbit ten years ago. Image Credit: NASA/JPL

The Martian rover Opportunity has become famous for its amazing longevity, but it is not the only one; orbiting spacecraft also usually enjoy long lifespans, and today the Mars Reconnaissance Orbiter is celebrating its 10th year exploring […]

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 […]

New Study Traces Dark Near-Earth Asteroids Back to Oddball Asteroid Family

Time-lapse view of the asteroid Euphrosyne as seen by NASA’s WISE spacecraft on May 17, 2010. WISE was later renamed to NEOWISE in 2013. Image Credit: NASA/JPL-Caltech

Near-Earth asteroids, also known as Near Earth Objects (NEOs), are some of the best studied space rocks in the Solar System, primarily due to the fact […]