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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

It would be wise to heed calls to build a dedicated rocket primed to defend Earth against a large incoming asteroid or comet, says Geraint Lewis

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Space

Space silhouettes: Giant monuments celebrate Soviet supremacy

Regulars

Saturn

Space

Cassini's grand finale will see orbiter plunge into Saturn

News

Future air conditioning could work by beaming heat into space

Earth

Future air conditioning could work by beaming heat into space

News

First exoplanet weather report shows clouds of ruby and sapphire

Space

First exoplanet weather report shows clouds of ruby and sapphire

News

City rooftops have been collecting cosmic dust that falls from the sky

Space

Cosmic dust grains found on city rooftops for the first time

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Virgin Galactic's VSS Unity took its first solo flight after a 2014 accident this weekend

Space

Virgin Galactic takes first solo glide flight since 2014 crash

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The planned ExoMars rover will carry a drill to dig for life

Space

ESA approves 2020 ExoMars rover despite crash earlier this year

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Buzz Aldrin evacuated from South Pole after falling ill

Space

Buzz Aldrin evacuated from South Pole after falling ill

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Gravitational waves are ripples in space time that can be heard across the universe

Physics

LIGO turns back on to hunt for more gravitational waves

The premier gravitational wave observatory just turned back on for another six months - and it's expected to catch twice as many black holes as last time

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Space

Private moon mission plans to revisit Apollo 17 landing site

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Earth

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

News

Space

Hubble rounds up the first worlds we’ll check for alien life

News

Earth

Window to hell: Io's strongest volcano changes face as we watch

News