51¶¯Âþ

space exploration

Person in space suit floating high above Earth

Space

Tweet me, I'm about to die in space

Artists Cath Le Couteur and Nick Ryan weigh in on the space junk problem in the online Project Adrift – combining film, soundscape and Twitter feeds

Culture

Space junk satellite

Space

Space junk collector burns up after hitting snag in first test

51¶¯Âþ

Tiny spacecraft could brake at exoplanet using alien starlight

Space

Tiny spacecraft could brake at exoplanet using alien starlight

51¶¯Âþ

Mary Jackson

Space

When computers were human: The black women behind NASA’s success

Features

Katherine Johnson

Space

Katherine Johnson: The brilliant woman who got the US into space

Features

calculators

Space

Lost in space: Two books on the forgotten women of astroscience

Culture

This smooth rock may be a metal meteorite on Mars

Space

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

51¶¯Âþ

Cold case: The unsolved mystery of what lit Kepler's supernova

Space

Cold case: The unsolved mystery of what lit Kepler's supernova

51¶¯Âþ

Metal asteroid and Trojans selected for next NASA missions

Space

Metal asteroid and Trojans selected for next NASA missions

51¶¯Âþ

Reddish geology of Utah desert

Space

Four extreme environments where humans are tasting life on Mars

Space agencies use some of Earth’s extreme habitats to fine-tune techniques for a trip to the Red Planet. 51¶¯Âþ gathered postcards from four of them

Features

Life

My year on Mars: Frontier life of a space doctor

Features

Earth

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

Comment

Space

Cassini's grand finale will see orbiter plunge into Saturn

51¶¯Âþ

Space

Space silhouettes: Giant monuments celebrate Soviet supremacy

Regulars

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