Solar System Exploration
To most of us, dust is an annoyance. But these tiny particles that float about and settle on surfaces play an important role across the solar system.
10 Things: Dust in the Wind (on Mars and Well Beyond)
The path through the solar system is a rocky road. Asteroids, comets, Kuiper Belt Objects—all kinds of small bodies of rock, metal and ice are in constant motion as they orbit the Sun. But what’s the difference between them? Why do these miniature worlds fascinate space explorers so much?
10 Things: What's That Space Rock?
Learn more about the growing population of near-Earth objects with NASA’s new 3D real-time web-based application.
NASA's ‘Eyes on Asteroids' Reveals Our Near-Earth Object Neighborhood
The new system improves NASA's capabilities to assess the impact risk of asteroids that can come close to our planet.
NASA's Next-Generation Asteroid Impact Monitoring System Goes Online
JPL's lucky peanuts are an unofficial tradition at big mission events.
What Are JPL's Lucky Peanuts?
It's suspected that about 5,000 years ago a comet swept within 23 million miles of the Sun, closer than the innermost planet Mercury.
Comet Atlas May Have Been a Blast From the Past
Models and lab tests suggest the asteroid could be venting sodium vapor as it orbits close to the Sun, explaining its increase in brightness.
Fizzing Sodium Could Explain Asteroid Phaethon's Cometlike Activity
Comet 46P/Wirtanen was releasing an unusual amount of alcohol as it made its historic flyby of Earth two and a half years ago.
Abnormally High Alcohol, Mystery Heat Source Detected on Comet Wirtanen
A one-time visitor to our inner solar system is helping explain more about our own origins.
Comet Catalina Suggests Comets Delivered Carbon to Rocky Planets
A wayward young comet-like object orbiting among the giant planets has found a temporary parking place along the way.
Comet Makes a Pit Stop Near Jupiter's Asteroids
As Chile and Argentina witnessed the total solar eclipse on Dec. 14, 2020, a little tiny speck was flying past the Sun – a recently discovered comet.
Recently Discovered Comet Seen During 2020 Total Solar Eclipse
When scientists downlinked data from Parker Solar Probe's sixth orbit, there was a surprise waiting for them: a sungrazing comet.
Two Views of a Sungrazing Comet
The next full Moon will be on Thursday afternoon, Oct. 1, 2020. The Moon will appear full from Wednesday morning through Saturday morning.
October 2020: The Next Full Moon is the Harvest Moon
NASA instruments aboard ESA's Rosetta mission helped reveal that comet 67P/Churyumov-Gerasimenko has its own aurora.
Comet Discovered to Have Its Own Northern Lights
This is the first time Hubble has photographed a comet of this brightness at such resolution after this close of a pass by the Sun.
Hubble Snaps Close-Up of Celebrity Comet NEOWISE
The Earth has one less asteroid to worry about thanks to the research of an international team of scientists at the Arecibo Observatory in Puerto Rico.
Arecibo Observatory Returns from Tropical Storm Isaias Lockdown to Track Asteroid for NASA
The next full Moon will be midday on Monday, August 3, 2020.
August 2020: The Next Full Moon is the Sturgeon Moon
In the fall of 2022, NASA’s DART spacecraft will reach its destination: asteroid Didymos and its small moonlet Dimorphos.
Predicting the Unpredictable: DART's Dive into an Asteroid
ISS is seen in this 10 second exposure above comet NEOWISE, Saturday, July 18, 2020, from Keys Gap, West Virginia.
International Space Station and Comet NEOWISE
On July 9, 2020, astronaut Robert Behnken captured an image of comet NEOWISE from the International Space Station.
Comet NEOWISE from the International Space Station
For those hoping to catch a glimpse of comet NEOWISE, there are several observing opportunities in the coming days.
How to See Comet NEOWISE
NASA’s Parker Solar Probe was at the right place at the right time to capture a unique view of comet NEOWISE.
NASA's Parker Solar Probe Spies Comet NEOWISE
A comet visiting from the most distant parts of our solar system is putting on a spectacular nighttime display.
Comet NEOWISE Slides by Sun, Provides Treat for Observers
The next full Moon will be early Sunday morning, July 5, 2020. There also will be a partial penumbral eclipse of the Moon.
July 2020: The Next Full Moon is the Buck Moon
A citizen scientist has spotted a never-before-seen comet in data from SOHO — the 4,000th comet discovery in the spacecraft’s 25-year history.
4,000th Comet Discovered by SOHO Solar Observatory