NASA Solar System

@NASASolarSystem • 2,966,638 subscribers

Join us as we explore the worlds of our solar system.

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NASA Solar System

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A tiny amoeba broke complex life’s heat record and could broaden the search for habitable worlds. 🔥 NASA-supported researchers found the first known eukaryote able to reproduce at 145°F (63°C), hotter than scientists thought complex cells could withstand.

A total lunar eclipse is coming 🌕 🌏 ☀️ In the early morning hours of March 3, 2026 (UTC), the full Moon will pass through Earth’s shadow, reddening the lunar surface. Here’s what you need to know: Credit: NASA’s Scientific Visualization Studio

Moon phases, but different. 🌖 🌒 Soon, humans will be on the far side of the Moon. From the Artemis II crew's POV, the Moon phase will be the opposite of what we see on Earth. Follow us for lunar science updates throughout the mission. Where will you view the full Moon from?

This asteroid is a little… quirky. Shaped like a five-mile-long peanut 🥜 Wobbles like a top 🌪️ Encountered water, but lost it 💦 Published today, NASA’s Lucy mission reveals close-up imagery and data from its flyby of oddball asteroid Donaldjohanson. More:

As it sped past Mars in March, Europa Clipper conducted a critical radar test that had been impossible to do on Earth. It went without a hitch, generating a detailed radargram of the Martian surface, which bodes well for exploring Jupiter's icy moon Europa

More about 16 Psyche, the asteroid that #MissionToPsyche will explore, one of the most intriguing targets in the main asteroid belt:

From the Moon, a lunar eclipse looks like a total solar eclipse, but it lasts a LOT longer. For NASA's Lunar Reconnaissance Orbiter, that means the team has to plan carefully for the 4 hours that the spacecraft — and its solar panels — will be in the dark and the cold. 🌑🛰 1/3

Scientists on our #JunoMission to Jupiter have transformed data collected during recent flybys of Io into animations that highlight two of the Jovian moon’s most dramatic features: a mountain and a glass-smooth lake of cooling lava. See more science:

🧵3/4 A wider view of the same event. From SOHO’s wide coronagraph, we see a clearer view of the dust cloud emerging after the flyby. It looks like comet MAPS dove straight into the Sun… but another spacecraft’s view tells a different story.

Another way to explore Mars virtually

After riding to Saturn aboard NASA's Cassini spacecraft, 20 years ago today European Space Agency's Huygens probe made the first landing on a world in the outer solar system when it descended through Titan's thick atmosphere.

What exactly are asteroids? Why do we track and explore them?

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POV: You're flying by the Moon. This visualization is designed to show you what exactly the Artemis II astronauts will see outside their window during their lunar flyby. Here, the seven-hour visualization is compressed into 28 seconds. ⬇ (1/4)

"...copy, Moon joy."

On Aug. 12, a total solar eclipse will cross Greenland, Iceland, and Spain — and NASA science will be there! ☀️🌑🔭 We're flying high-altitude jets and launching scientific balloons to study the Sun and the eclipse's effects on us: 📸: NASA/Ernie Wright

On Aug. 12, a total solar eclipse will cross Iceland and Spain. NASA will be there! The U.S. won’t see totality this time, so we’re bringing the science to you. Follow along this week! ☀️

Join us live on July 16 at 2 p.m. ET to meet the team building NASA’s Dragonfly, learn how it will explore Titan’s rich prebiotic chemistry (the molecules and processes that can lead to life), and see how the mission is coming together. Set a reminder:

This weekend, people all over the world will observe the Moon together, and you're invited! Join a local or virtual International Observe the Moon Night event, register as an individual observer, or gather your own Moon observing crew. Get started:

A partial lunar eclipse darkens the full Moon on Aug. 27. About 96% of the Moon slips into Earth's shadow, turning most of it red as our atmosphere filters sunlight. Begins 10:34pm ET Aug. 27, peaks 12:12am ET Aug. 28. What to look for: 🌙 🎬: NASA's Scientific Visualization Studio/Ernie Wright

We love a Moon appreciation moment 🌎🌓🎉 It’s International Observe the Moon Night! People all over the world are observing the Moon together today, and you’re invited. Find an event near you, or register to observe on your own or with friends, at

For a few million years, Earth may have been left out in the cold — literally. New NASA research shows the Sun's protective bubble has shrunk smaller than Earth's orbit at least three times in the past 10 million years, possibly triggering ancient ice ages. 🌍 Full story:

NASA’s ESCAPADE mission, our next science mission to Mars, has a new launch date: today! The launch window opens at 2:57 p.m. EST. Yesterday's launch attempt was postponed due to the intense geomagnetic storm that rocked our planet. Learn more:

Right now, the Artemis II astronauts are farther from Earth than anyone has ever been before. Live coverage:

A new study finds some human-delivered microbes could survive in niches near the Moon’s South Pole. 🦠 While there’s no evidence they can grow or replicate there, learning more about them can help protect future Moon &amp; Mars science from contamination.

NASA’s WB-57 jet studies eclipses from about 50,000 feet (15,000 meters) — above most of the haze and turbulence that blur the view below, for a sharper look at the Sun’s corona. The WB-57 will observe the Aug. 12 total solar eclipse from above. More:

One week in the solar system 🪐 Even as NASA Artemis II was making its historic trip to the Moon, several other NASA missions were exploring all across the solar system. Here are just a few of the images some of them captured during one week

We've spotted the #OSIRISREx capsule on the ground, the parachute has separated, and the helicopters are arriving at the site. We're ready to recover that sample!

For a couple of minutes on Aug. 12, the Sun all but disappears in the middle of the day. NASA-funded student teams will launch research balloons from Iceland and Spain to track how the lowest layer of the atmosphere responds.🎈 More:

What's Up for September? The Moon joins a tea party, Venus reaches peak brilliance, the seasons change, and the Harvest Moon meets up with some planetary neighbors:

On Aug. 12, a total solar eclipse crosses Iceland and Spain. Iceland’s volcanic terrain helped train the Artemis II Moon crew; Spain offers clearer skies. NASA-funded teams are in both — because spreading out is how you beat the clouds. Watch live with NASA:

The Dragonfly mission is flying through milestones! Recent thermal and environmental testing shows how the rotorcraft will survive and navigate Titan’s skies. This bold mission will explore one of our solar system’s most intriguing worlds.

A new study finds some human-delivered microbes could survive in niches near the Moon’s South Pole. 🦠 While there’s no evidence they can grow or replicate there, learning more about them can help protect future Moon & Mars science from contamination.