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Earth's water piggybacked on asteroids, not comets

Space

Earth's water piggybacked on asteroids, not comets

Isotopes of hydrogen in meteorites hint that Earth's water did not come from far out in the solar system

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Earth

Growth of Earth's core may hint at magnetic reversal

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Discovery of fifth moon reignites Pluto planet debate

Space

Discovery of fifth moon reignites Pluto planet debate

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Vital eye for killer asteroids could shut imminently

Space

Vital eye for killer asteroids could shut imminently

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Titan's tides reveal hidden ocean that could host life

Life

Titan's tides reveal hidden ocean that could host life

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Titan's tropical lake hints at hydrocarbon wells

Space

Titan's tropical lake hints at hydrocarbon wells

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Saturn moon spouts plasma unlike any seen before

Space

Saturn moon spouts plasma unlike any seen before

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Space

Watching the transit of Venus… from Saturn

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Transit of a lifetime: Why all eyes are on Venus now

Space

Transit of a lifetime: Why all eyes are on Venus now

Features

Astrophile: The outermost ocean in the solar system

Space

Astrophile: The outermost ocean in the solar system

Triton, the largest moon of Neptune, has a surface temperature of -235 °C. But below the surface, conditions could be warm enough to support a liquid ocean

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Space

Crisis averted: Dark matter was there all along

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Space

Astrophile: The case of the disappearing pulsar

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Space

Magnetic space whirlpools give Mercury a plasma shower

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Space

Number of asteroids that pose risk to Earth is doubled

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