Solar System Exploration
By the Numbers
By the Numbers
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By the Numbers
By the Numbers
NASA has selected four Discovery Program investigations to develop concept studies for new missions.
NASA Selects Four Possible Missions to Study the Secrets of the Solar System
The Voyager imaging team asked for the photo to show Earth’s vulnerability — to illustrate how small, fragile and irreplaceable it is on a cosmic scale.
10 Things You Might Not Know About Voyager's Famous 'Pale Blue Dot' Photo
Naiad and Thalassa race around the ice giant in odd orbits seemingly to avoid each other.
NASA Finds Neptune Moons Locked in ‘Dance of Avoidance'
Humanity's first and (so far) last visit to the outermost giant planet in our solar system was a monumental event for scientists and the public alike.
30 Years Ago: Voyager 2's Historic Neptune Flyby
Our solar system is a stormy place. Join us on a tour of storms.
10+ Things: Tour of Storms Across the Solar System
The next-generation radiometer is being developed to study the atmospheres of Uranus or Neptune, but could be used to study any atmosphere.
Next-Generation NASA Instrument Advanced to Study the Atmospheres of Uranus and Neptune
This site is among seven NASA sites nominated this year for a Webby. People's Voice voting is underway.
NASA Garners 7 Webby Award Nominations
Long-term observations of Neptune have allowed scientists observe storm formation and also to track storm evolution on the ice giant.
Hubble Tracks the Lifecycle of Giant Storms on Neptune
Meet the women leading two of humankind's two most distant space missions.
Women at the Helm
Scientists may have an explanation for a mysterious moon around Neptune that they discovered with Hubble in 2013.
Tiny Neptune Moon May Have Broken from Larger Moon
Hubble uncovered a new dark storm on Neptune and provided a fresh look at a long-lived storm on Uranus.
Hubble Reveals Dynamic Atmospheres of Uranus, Neptune
We're talking about the ice giants. These are two enormous planets in our outer solar system: Uranus and Neptune.
Gravity Assist: Ice Giants (Uranus & Neptune) with Amy Simon
It's never too late to appreciate the far-reaching influence the Voyagers have had—including pop culture.
The Voyagers in Popular Culture
Ten things to know about Voyager 2 on the 40th anniversary of its launch.
10 Things: August 14
The exploration of the solar system is uniquely poised to bring planetary scientists, worldwide, together under the common theme of understanding the origin, evolution and bodies of our solar neighborhood.
International Mission Opportunities and Participation
Astrophysics Division assets have been used in the past to support planetary science research activities and planetary missions.
How Astrophysics Division Assets Are Helping Planetary Science
August 25, 1989: Neptune is in view. It is the middle of the night and everything is happening fast at NASA's Jet Propulsion Laboratory in Pasadena, California.
25 Years After Neptune: Reflections on Voyager
Dr. Jim Green, director of NASA Planetary Science, speaks to attendees of the 2013 IAA Planetary Defense Conference in April 2013.
Message to Attendees of the 2013 IAA Planetary Defense Conference
Juno, the second mission in NASA's New Frontiers Program, launched flawlessly on Friday, August 5th, on a journey to Jupiter.
Juno to Jupiter: On Its Way!
NASA stands for National Aeronautics and Space Administration.
What Is NASA?
Dr. Stone, JPL's director since 1991, is stepping down on May 1.
A Conversation with Dr. Ed Stone
Astronomers have known for many years that stars form when the cores of giant clouds of cold molecular material fragment and collapse.
Free-Floating Planets Confirmed
When the three main engines of the Space Shuttle thunder to life during the launch of Discovery, their roar not only marks astronauts once again venturing into space but also trumpets a salute to the man whose vision made such a journey possible.
March 16th Marks 75th Anniversary of First Liquid Fueled Rocket Launch
What do you get if you mix together one part helium and five-and-a-half parts hydrogen, add a dash of methane, heat to 60 Kelvins (-351 degrees F) and let sit for over four billion years?
Recipe for Neptune Revealed by Scientists
Astronomers from the Jet Propulsion Laboratory and the U.S. Naval Observatory have solved the ancient mystery of the origin of the Chinese calendar, it was reported to the 182nd meeting of the American Astronomical Society today in Berkeley, Calif.
Astronomers Solve Ancient Mystery of the Chinese Calendar