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Space

Metal asteroid and Trojans selected for next NASA missions

The US space agency will send probes to metallic asteroid Psyche and the mysterious Trojans that flank Jupiter in the 2020s

Earth

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

Earth

Future air conditioning could work by beaming heat into space

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

Space

Cosmic dust grains found on city rooftops for the first time

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

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

Space

ESA approves 2020 ExoMars rover despite crash earlier this year

Humans

Buzz Aldrin evacuated from South Pole after falling ill

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

Earth

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

Earth

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

Astrophile聽is聽Joshua Sokol's monthly column on curious cosmic objects, from the solar system to the far reaches of the multiverse

Earth

First ever lightning-mapping satellite set for take off

Space

Monday’s bright supermoon will be closest to Earth in 68 years

Life

I watched a rover search for ancient life on Mars 鈥� I mean, Utah

Physics

Mickey Mouse ears may explain universe鈥檚 biggest explosions