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Moons

Artist's illustration of an exoplanet, exomoons and a galaxy

Space

Astronomers may have found a moon orbiting a rogue planet with no star

Exomoons are notoriously hard to spot, but it may be easier around free-floating planets that don't orbit stars 鈥� and a team of astronomers may have already found one

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PDS 70 star system

Space

Astronomers may have spotted a distant alien moon being born

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Space

Europa鈥檚 icy shell may have pockets of water that could support life

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An image from Cassini of Saturn's icy moon Rhea

Space

Puzzling signal on Saturn鈥檚 moon Rhea may finally be explained

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Space

2020 in review: Earth acquired a minimoon the size of a 6-year-old

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Minimoon

Space

Earth had a minimoon for nearly three years before it drifted away

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Space

Jupiter鈥檚 moon Europa has ice that may glow green in the dark

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Ganymede

Space

A giant impact may have caused cracks all over Jupiter’s moon Ganymede

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Space

Astronomers have spotted six possible exomoons in distant star systems

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Space

Mars鈥檚 moon Phobos may someday turn back into a ring around the planet

Mars鈥檚 moon Phobos may go through cycles where it is smashed up and becomes a ring around the planet, only to coalesce into a solid moon again

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Space

Earth has acquired a brand new moon that’s about the size of a car

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Space

Saturn’s moon Titan could be hiding underground reservoirs of methane

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Space

Voyage to Jupiter: What the Juno mission can teach us

Video

Space

We have the first full map of the weird surface features of Titan

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