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Space
Interstellar 鈥極umuamua might be a fractal snowflake not an alien probe
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Technology
Robot mimics desert ants to find its way home without GPS
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Environment
From the archives: 1989, the warmest year on record
Regulars
Technology
Smart skin sticker could detect asthma attacks before they happen
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Technology
AI has helped rescue children trafficked for sexual exploitation
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Technology
Heat-sensitive fabric cools you on hot days and warms you in the cold
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Physics
Voting systems that let losing side win may increase overall happiness
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Technology
Mind-controlled robot lets you weld metal without using your hands
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Physics
Self-growing material could make muscles that become stronger with use
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Environment
Scuba-diving gear could help clean up carbon dioxide from power plants
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Technology
Battling AI algorithm tested on a quantum computer for first time
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Physics
Megawave recreated in the lab looks just like Hokusai’s Great Wave
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