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Asteroid bound for Earth! Warn your grandchildren

Space

Asteroid bound for Earth! Warn your grandchildren

An asteroid that had initially been thought harmless might just hit Earth 160 years from now

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Dancing asteroid spirals close to Earth

Space

Dancing asteroid spirals close to Earth

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New comet may be visible with the naked eye

Space

New comet may be visible with the naked eye

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Where do comets come from?

Space

Where do comets come from?

Features

Alien asteroid dust hints at Earth-like planets

Space

Alien asteroid dust hints at Earth-like planets

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Earth

Comet smashes triggered ancient famine

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Meteor impacts may have sparked life on Earth

Earth

Meteor impacts may have sparked life on Earth

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Has an alien comet infiltrated the solar system?

Space

Has an alien comet infiltrated the solar system?

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Meteorite hunters hit pay dirt in Canadian prairie

Earth

Meteorite hunters hit pay dirt in Canadian prairie

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Big bang's afterglow may reveal birthplace of comets

Space

Big bang's afterglow may reveal birthplace of comets

A shell of icy bodies called the Oort Cloud is too far away to see – but its signature may be hidden in remnant radiation from the big bang

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Earth

Did lack of comet impacts help life evolve?

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Space

Science could soar with world's most powerful rocket

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Space

Mars craters might be scars from fallen moon

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Space

Jupiter produced greatest pounding in Earth's history

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