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Space junk satellite

Space

Space junk collector burns up after hitting snag in first test

A JAXA spacecraft designed to clear Earth's neighbourhood of debris with an electrified cable re-entered the atmosphere this morning after a failed mission

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Sun's disc

Space

Sun's rotation is slowed down by its own photons

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Venus

Space

Old 51��: Into the twilight zone of dubious causation

Regulars

Tiny spacecraft could brake at exoplanet using alien starlight

Space

Tiny spacecraft could brake at exoplanet using alien starlight

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A meteorite from the Sahara

Earth

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

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This smooth rock may be a metal meteorite on Mars

Space

Curiosity finds Mars rock that may be a meteorite made from iron

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Metal asteroid and Trojans selected for next NASA missions

Space

Metal asteroid and Trojans selected for next NASA missions

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Large asteroid impacts may be rare, but we should be prepared

Earth

Large asteroid impacts may be rare, but we should be prepared

Comment

Man having a check up

Health

Viruses may have evolved to hit men hard but go easy on women

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A swirl of material coming off the surface of the sun

Space

Fresh look at old data shows the sun is surprisingly sluggish

The standard scale for stars' magnetic activity is all tied to a single telescope – and we couldn't observe the sun with it. Now we have a workaround

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Space

Cosmic dust grains found on city rooftops for the first time

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Space

ESA approves 2020 ExoMars rover despite crash earlier this year

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Earth

Moon-dust cake mix shows moon may have had water from the start

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Space

A dash of hydrogen and methane could have kept Mars warm

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