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Solar system

The dwarf planet Eris

Environment

Volcanoes that spew stretchy ice could make dwarf planets bright

Something strange is happening on dwarf planets Eris and Makemake. They鈥檙e tiny and cold, but they still show surprising signs of geologic activity, like real planets

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hole sun main

Physics

Hiding in plain sight: The mystery of the sun’s missing matter

Features

Space

A gaggle of 7 moons keep Saturn鈥檚 rings from breaking apart

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Solar flare

Earth

A tech-destroying solar flare could hit Earth within 100 years

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Space

Distant dwarf planet near Pluto has a ring that no one expected

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A moon base

Physics

It was always crazy to shoot for Mars before colonising the moon

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Space

Nanoflares in the sun鈥檚 plasma may cause its scalding atmosphere

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Moon

Environment

Lunar volcanoes and lava lakes gave the early moon an atmosphere

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Craters on Ceres

Space

The mysterious bright spots on Ceres may have a common origin

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Gale Crater on Mars

Physics

Methane burps on young Mars helped it keep its liquid water

The mystery of how water on Mars lasted for millions of years may come down to methane explosions that warmed the planet enough to melt ice and make rivers flow

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Earth

Super-Earths draw asteroids to other worlds, which may seed life

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Earth

What a surprise 鈥� the end of the world has been delayed, again

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Earth

Huge space rocks could have helped start Earth鈥檚 plate tectonics

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Space

OSIRIS-REx spacecraft zooms by Earth on its way to an asteroid

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