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solar system

Sperm

Health

Semen reshapes immune system to boost chances of pregnancy

As well as fertilising the egg, semen seems to prime a female's immune system, making it more likely that an embryo will survive

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Roy Lichtenstein – Eclipse of the sun (1975)

Space

Solar eclipses: heaven-sent chance to mix art and science

Features

stereo B

Space

NASA gets in touch with spacecraft two years after it vanished

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Canadian meteorite may be first visitor from the Kuiper belt

Space

Canadian meteorite may be first visitor from the Kuiper belt

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Mystery object in weird orbit beyond Neptune cannot be explained

Space

Mystery object in weird orbit beyond Neptune cannot be explained

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The Rio Olympic pools - one is green, one is blue

Technology

Green Olympic pool: perfect storm of sun, heat and still water?

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New Scientist Default Image

Life

Ocean worlds: Searching for life in the solar system's seas

Features

A red landscape on the surface of Venus

Space

Venus could have been habitable while life evolved on Earth

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Artist's impression of Cassini passing through plumes from Enceladus

Space

Fleet of robots could hunt for life on icy moon Enceladus

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A lymphocyte seen through an electron microscope

Health

Autoimmune diseases may be side effect of a strong immune system

We finally have evidence from human studies that disorders like lupus could be a by-product of being well protected against other diseases

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Space

Jupiter's Great Red Spot is making its atmosphere hotter

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Space

Bye bye Philae! Comet team to lose touch with lander for good

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Space

Missing craters on Ceres may have been smoothed by a mud facial

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Space

Five incredible things we know about Pluto since 2015’s fly-by

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