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Titan

Space

Titan’s strange plains may be explained by unusual weather

Most of Titan’s surface is oddly flat and smooth, and it may be because it is coated by as much as a metre of fluffy organic material that snowed down from the icy moon’s thick atmosphere

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Space

Saturn’s rings may have formed after a huge collision with Titan

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Space

Synchronised volcanic eruptions on Io hint at a spongy interior

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Space

More than 100 moons were discovered in our own solar system in 2025

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computer-generated view of Mars at the boundary between darkness and daylight, with an area including Gale Crater

Space

Mars may once have had a much larger moon

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Space

Enceladus’s ocean may be even better for life than we realised

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Space

New moon discovered orbiting Uranus is its smallest one

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Space

One half of the moon is hotter than the other

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Space

Saturn gains 128 moons, giving it more than the other planets combined

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Mars and Phobos. Computer artwork of how Mars (left) and its tiny moon Phobos (upper centre) might appear from a distance of about 100 miles from the surface of Phobos. Phobos is the larger of Mars' two satellites (the other being Deimos), being about 16 miles long and about 11 miles across at its smallest dimension. It may be an asteroid long ago captured by Mars' gravity and does not have enough mass for gravity to pull it into a uniform sphere like the larger satellites and planets in the Solar System.

Space

Why we must investigate Phobos, the solar system's strangest object

Mars's moon Phobos is so strange that no one knows how it formed. But a forthcoming mission could solve this mystery - and a host of other puzzles connected to the solar system's deep past

Features

Space

New ��˾þ� recommends Brian Cox's new series, Solar System

Culture

Space

Huge new volcano has burst through the surface of Jupiter’s moon Io

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Space

Why NASA is sending a probe to Europa – and what it’s looking for

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Space

Saturn's moon Titan is experiencing coastal erosion from methane seas

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