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planets

Jupiter

Space

How Jupiter split the asteroid belt in two shows its great age

An analysis of meteorites shows that Jupiter divided the rocks of the asteroid belt into two families within the first million years of the solar system

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Saturn’s moons could reassemble after a cosmic smash-up

Space

Saturn’s moons could reassemble after a cosmic smash-up

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Diagram of the shape of a synestia – like a red blood cell or a doughnut

Space

Huge impact could have smashed early Earth into a doughnut shape

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Zircon mineral grains

Earth

Early Earth was covered in a global ocean and had no mountains

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Protoplanetary disc around young star TW Hydrae.

Space

Earth may have been born in a huge flare-up of the young sun

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Mars and asteroids

Space

Mars Trojans may be part of a planet that was destroyed long ago

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New Scientist Default Image

Space

Distant DeeDee could be a new dwarf planet

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meteorite artwork

Earth

Rocks of ages: How meteorites reveal the solar system's history

Features

Mars

Space

Mars is so small because Jupiter shook up its formation

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MAVEN spacecraft orbiting Mars

Space

NASA orbiter shows Mars lost 90 per cent of its CO2 to space

The MAVEN spacecraft has completed the key part of its mission: to track down how much argon Mars’s atmosphere is giving up as a proxy for carbon dioxide loss

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Space

Pluto is still an ex-planet, no matter what its fans think

Comment

Space

Magnetic meteorites narrow down solar system’s birthdate

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Earth

Planet Earth makes its own water from scratch deep in the mantle

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Earth

Earth’s water must have arrived here earlier than we thought

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