Space Exploration

Space exploration is a broad topic covering many facets of deep-space and planetary science. Learn about space probes, Mars Rovers, SETI and other out-of-this-world subjects.

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One of the three-man crew of Apollo 11, the mission that first set foot on the moon, Michael Collins was a true American hero.

By Mark Mancini

Lettuce has key nutrients that give both astronauts and Earth-dwellers alike a physical and psychological boost. And the lettuce grown in space is no less nutritious than the Earth-bound variety.

By Katie Carman

A new kind of survival story: Scientists discovered a star that came near a black hole and lived to tell the tale - at least temporarily.

By Nathan Chandler

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A distant asteroid made mostly of iron is potentially worth $10,000 quadrillion, making it many times more valuable than the global economy.

By Patrick J. Kiger

Missions to Mars are increasing and the dream of landing a human on the red planet is no longer far-fetched - it might even happen in the next decade. So, how long does it take to get there?

By Valerie Stimac

The groundbreaking Saturn mission has come to an end, protecting Saturn's moon in its final plunge.

By Ian O'Neill, Ph.D.

Yep, two small-bodied Russian tortoises made it to the moon and back before man did.

By Mark Mancini

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The Chinese space station Tiangong, now with its first crew of astronauts, is scheduled for completion in 2022. What does that mean for the future of the aging International Space Station and multinational space cooperation?

By Patrick J. Kiger & Desiree Bowie

The coldest place in the universe exists some 5,000 light-years from Earth. Do you know where it is and what it's called?

By Valerie Stimac

Debris on Mars comes from three main sources: inactive spacecraft, discarded hardware and crashed spacecraft. What risk does this trash pose to current and future missions?

By Cagri Kilic

The two passengers might not be human, but they have a job to do. They're manning Artemis I to be zero gravity indicators.

By Kristen Hall-Geisler

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Kepler-186f was the first Earth-sized planet found within its star's habitable zone. But there's still a lot we don't know about it.

By Melanie Radzicki McManus

Gliese 581c was one of the first "Earth-like" planets found, back in 2007. It generated a lot of excitement then but what about now?

By Kathryn Whitbourne

Will this groundbreaking clock revolutionize space travel? NASA is banking on it.

By Mark Mancini

And one of the exoplanets in the Teegarden star system could have a temperature range between 32 and 122 degrees Fahrenheit.

By Ian O'Neill, Ph.D.

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While alcohol consumption is not completely alien to the space program, not much is known about its effects on the body outside our atmosphere.

By Patrick J. Kiger

You know Apollo 11. But what did the other Apollo missions accomplish after Neil Armstrong made his giant leap for mankind?

By Mark Mancini

From time to time, we all gaze up at the stars and wonder about outer space. It can be an incredibly mind-blowing, beautiful, fascinating, exciting and even scary place to think about, as it is so incomprehensibly vast and unexplored and it contains so many secrets. We seemingly discover new things about outer space each [...] The post 8 Mind-Bending Facts About Outer Space appeared first on Goliath.

By Jonny Hughes

Using the Chandra X-ray Observatory, a team of scientists discovered what could very well be the first exoplanet outside the Milky Way. It's massive and might even orbit a black hole.

By Valerie Stimac

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NASA's DART spacecraft hit its mark Monday, Sept. 26 after years of planning. The bullseye was asteroid Dimorphos. Here's what NASA hopes to learn now.

By Patrick J. Kiger

Sonification is the process of taking data and turning it into sound. When it come to the universe we live in, scientists are finding that the sounds are definitely otherwordly and very beautiful.

By Valerie Stimac

Since it launched Aug. 12, 2018, NASA's Parker Solar Probe has made 11 of the 24 planned approaches with the sun, analyzing the massive star's solar wind and magnetic fields. But just how close will it get to our solar system's massive star?

By Mark Mancini

NASA's Mars rover Opportunity's last words were: "My battery is low and it's getting dark."

By Patrick J. Kiger

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If the Earth is struck by calamity, will survivors find salvation in the proposed Doomsday Ark? The lunar-based vault will contain information that could help jumpstart a new civilization.

By Julia Layton

European scientists are inviting gamers to become citizen scientists, sifting through real astronomical data to spot undiscovered planets orbiting other stars.

By Patrick J. Kiger