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Optical image of a portion of Virgo cluster

Space

Many tiny galaxies could host mammoth black holes

The discovery of the second and third known ultra-compact dwarf galaxies with gargantuan black holes at their cores suggests such a mass mismatch may be common

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Saturn's moon Atlas, which is shaped like a ravioli

Space

Saturn's flying saucer moon Atlas has a smooth fluffy edge

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MAVEN spacecraft orbiting Mars

Space

Mars's atmosphere hosts metal layers that shouldn't exist

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Water telescope uses gamma rays to track new kind of pulsar

Space

Water telescope uses gamma rays to track new kind of pulsar

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The Stellar Echo Imaging of Exoplanets Concept

Space

NASA funds radical Pluto hopper and cosmic echolocation concepts

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Atmosphere containing water detected around rocky exoplanet

Space

Atmosphere containing water detected around rocky exoplanet

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Mission control

Space

Go at throttle up: The secret world of NASA’s mission control

Culture

Oldest dust ever spotted in the universe seen in distant galaxy

Space

Oldest dust ever spotted in the universe seen in distant galaxy

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The reused Falcon 9 rocket launching

Space

Watching SpaceX’s historic relaunch and landing of a used rocket

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SpaceX

Space

SpaceX test-fires engines ahead of rocket re-launch

This week, SpaceX will re-launch a used booster stage of a Falcon 9 rocket for the first time

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Space

NASA rockets leave blistering record of human space flight

Regulars

Space

Backwards asteroid shares an orbit with Jupiter without crashing

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Earth

Changing clocks twice a year is bad for health and energy use

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Space

Stray supermassive black hole flung away by gravitational waves

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