Out In Space For The First Time

Solar System

Alexei Leonov, First Man to Walk in Space, Dies

The trailblazing Soviet-era cosmonaut was 85.

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Saturn Is the New Moon King

And Jupiter is now in the second spot.

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A Black Hole at the Edge of Our Solar System?

And get this: The thing could be smaller than a soccer ball.

Mountain Trail Under the Milky Way
The Best Volcanoes in Our Solar System, Ranked
From Venus to Pluto, here's a ranking of the 10 coolest volcanoes in…
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Here's What A Solar Eclipse Looks Like On Jupiter

A giant eyeball, basically.

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Saturn Is Still Stunning

Not that there was ever any question. But hey, would you look at those rings?

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The Fastest Spacecraft Ever Zips Past the Sun for a Third Time

It's on a mission to reveal the sun's long-held secrets.

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Ghost Particles Could Explain Just About Everything in the Universe

You might also know them by their other name: neutrinos.

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Here's How Aliens Might See Earth

It looks a bit different from the pale blue dot.

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Where Does the Oxygen in the Universe Come From, Exactly?

Scientists still don't quite understand. But they're getting closer.

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Hey, What's Up With Jupiter's Great Red Spot?

We never know what that thing is doing up there.

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A Meteor Slammed Into Jupiter So Hard We Saw It From Earth

And an amateur astronomer caught it on camera.

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This 'Big Red Ball' Can Replicate Solar Winds on Earth

From auroras to solar burps, there's a lot a mini-Sun can teach scientists.

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ICELAND-ASTRONOMY-AURORA BOREALIS
The Northern (and Southern) Lights Explained

Aurora Borealis and the Aurora Australis are the Earth's greatest natural light shows—here's how they work.

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Enceladus's Ocean Could Be Just the Right Age For Harboring Life

This Saturnian moon has been around for billions of years, but its ocean might be only a billion years young.

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Why NASA's Ambitious New Mission Is Heading to Titan

Beyond the mysterious haze, NASA is ready to answer some of the solar system's biggest questions.

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NASA Just Took a Breathtakingly Close Photo of This Asteroid

The image was captured a mere 0.4 miles from Bennu's surface.

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The Yellow Part of Jupiter's Watery Moon? That's Table Salt, NASA Says

Europa is absolutely covered with the stuff.

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Welp, Now We Have 20,000 Potentially Dangerous Asteroids to Worry About

Even better news: There are probably a ton more that scientists haven't found yet.

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