Solar System Exploration
Our Galactic Neighborhood
Great Dark Spot
September 17, 2004
Great Dark Spot
Episode 1: Launch. Meet Lucy as she prepares for the first-ever journey to the Trojan asteroids, a population of primitive small bodies orbiting in tandem with Jupiter.
Lucy's Journey: Episode 1
How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.
Mars in a Minute: What Happens When the Sun Blocks our Signal?
December 2, 2020, marked the 25th anniversary of the Solar and Heliospheric Observatory, or SOHO – a joint mission of the European Space Agency and NASA. Since its launch on that date, the mission ...
Decades of Sun from SOHO
On Earth, the ocean floor is home to hydrothermal vents that spout hot water, nourishing life in an otherwise inhospitable environment. Scientists think similar vents could exist on other worlds.
Earth: Undersea Seeps, Vents, and Volcanoes
With kaleidoscopic forms and hues, these two false-color views from NASA's Cassini spacecraft show the patterns that come and go in the course of one Saturn day within the huge storm in the planet'...
On Nov. 24, 2021, NASA's Double Asteroid Redirection Test (DART) spacecraft will lift off on a ten-month journey to crash into a distant asteroid – on purpose.
NASA's First Asteroid Deflection Test
What's Up for August? This month our main focus is the Perseid meteor shower.
What's Up Video: August 2019 Skywatching Tips from NASA
~13 minute video featuring Navajo, Cherokee and Northern Arapaho traditional knowledge of solar eclipses.
Indigenous Eclipse Teachings Video
This Cassini movie -- the first of its kind -- shows lightning on Saturn's night side flashing in a cloud that is illuminated by light from Saturn's rings.
Lightning Flashing on Saturn
Mars makes a triangle with reddish stars, Aldebaran and Betelgeuse, the Moon hangs out with Jupiter, and September 23rd brings the equinox.
What's Up: September 2022
NASA’s Parker Solar Probe mission launched Aug. 12, 2018, from Cape Canaveral Air Force Station in Florida.
Parker Solar Probe Launch
This movie created from images obtained by NASA’s Cassini spacecraft shows a propeller-shaped structure created by a hidden, embedded moon moving through one of Saturn's rings.
Propeller Churns the A Ring
Project Scientist Linda Spilker and Mission Planner Molly Bittner answer questions about Cassini's Ring-Grazing orbits during this Jan. 30, 2017 Facebook Live event.
Cassini Facebook Q&A
MESSENGER captured this departure sequence of Venus after a close flyby of the planet in 2007.
MESSENGER Bids Farewell to Venus
What can you see in the December sky? Beautiful pairings of planets and the crescent Moon throughout the month, at sunrise and sunset.
What's Up: December 2019 [Video]
During its first operating cycle, the James Webb Space Telescope will set its sights on the TRAPPIST-1 system.
Exploring Alien Worlds with NASA's James Webb Space Telescope: TRAPPIST-1 System
This graphic and animation depicts a cross-section of the Saturnian moon Titan.
An Ocean Runs Through It
~2 minute video from NASA's Lunar Reconnaissance Orbiter (LRO) shows several visualizations of what Earth's shadow would look like from space during a lunar eclipse.
Understanding Lunar Eclipses
The winds in the outermost “lane” of Jupiter’s Great Red Spot are accelerating – a discovery made possible by Hubble.
Hubble Observes Jupiter's Great Red Spot Changing
~2 minute video explaining how life can survive on Earth.
What is the habitable zone?
This spectrogram and video show a changing pattern of radio waves from Saturn known as Saturn Kilometric Radiation, as detected by NASA's Cassini spacecraft.
Saturn's Radio Period Crossover
Look for Mars close to the Pleiades in the first weeks of March. Then wake up early to observe the giant planets Jupiter and Saturn.
What's Up: March 2021 [Video]
Seeking August 2020 skywatching highlights? The Moon poses with the planets, and the Perseid meteors peak!
What's Up: August 2020 [Video]
Hello from Saturn, essentially on the opposite side of the sun as seen from Earth! This annual occurrence called solar conjunction, when Saturn (and Cassini) nearly disappear behind the sun.
What's Up? Solar Conjunction
Learn more about the best-known black hole systems in our galaxy and its neighbor, the Large Magellanic Cloud.
NASA Visualization Rounds Up the Best-Known Black Hole Systems
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In a first, scientists have seen direct evidence of active volcanism on Earth’s twin, setting the stage for the agency’s VERITAS mission to investigate.
Magellan Data Reveals Volcanic Activity on Venus
New Horizons continues to shed light on the mysterious planets and smaller bodies of the outer solar system.
New Horizons Team Discusses Discoveries from the Kuiper Belt
Research reveals a new explanation for how the icy shell of Jupiter’s moon Europa rotates at a different rate than its interior.
Ocean Currents May Affect Rotation of Europa's Icy Crust
Based on observations from several NASA missions, the map details the path of the Moon’s shadow as it crosses the contiguous U.S. during eclipses in 2023 and 2024.
New NASA Map Details 2023 and 2024 Solar Eclipses in the US
Venus may be losing heat from geologic activity in regions called coronae, possibly like early tectonic activity on Earth.
Venus' ‘Squishy' Outer Shell May Be Resurfacing the Planet
Dr. Nicola Fox will serve as the associate administrator for the agency’s Science Mission Directorate.
NASA Administrator Selects New Head of Science