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comets

Solar system may be more compact than thought

Space

Solar system may be more compact than thought

The cloud of comets that enshrouds the solar system may not be as diffuse or as massive as previously believed

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Life in the inner galaxy would be bombarded by comets

Life

Life in the inner galaxy would be bombarded by comets

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Our atmosphere came from outer space

Earth

Our atmosphere came from outer space

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Dinosaur-killing impact set Earth to broil, not burn

Earth

Dinosaur-killing impact set Earth to broil, not burn

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'Frankenstein' fix lets asteroid mission cheat death

Space

'Frankenstein' fix lets asteroid mission cheat death

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Water found in lunar impact probably came from comets

Space

Water found in lunar impact probably came from comets

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Meteor shower this week as we cut through comet trails

Space

Meteor shower this week as we cut through comet trails

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Was life founded on cyanide from space crashes?

Life

Was life founded on cyanide from space crashes?

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Asteroid blast reveals holes in Earth's defences

Space

Asteroid blast reveals holes in Earth's defences

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Asteroid isn't just a dry heap of rubble

Space

Asteroid isn't just a dry heap of rubble

Two teams have found evidence of water ice on the asteroid 24 Themis – the find suggests asteroids could have delivered some water to the early Earth

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Space

Fresh impact risks for asteroid 'poster child'

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Space

Killer asteroid hunter suffers from poor vision

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Space

Preparing for an asteroid strike

Opinion

Space

Asteroid attack: Putting Earth's defences to the test

Features

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