Science & Tech news · 20 October 2026
Solo Hacker Uses AI Agents to Breach 100+ Companies for Just $5,000
A single operator directed autonomous AI agents to compromise websites belonging to more than 100 companies, spending only about $5,000 in AI compute costs — roughly $50 per intrusion.
Earth's Climate Is 'Reaching Its Limits': Seven Vital Signs Hit Record Extremes in 2026
A major annual climate assessment published in the journal BioScience found that seven of 16 tracked planetary vital signs have reached record extremes in 2026, with the rate of global warming having roughly doubled since 2010.
ESA's Euclid Telescope Makes an Unexpected Discovery: Its First Comet
The European Space Agency's Euclid space telescope, designed to map dark matter and distant galaxies, has stumbled upon a previously unknown comet located 1.3 billion kilometres from Earth — its very first solar-system discovery.
NASA Confirms Final Two ISS Solar Array Spacewalks to Complete Station Power Upgrade
NASA held a public briefing on October 20 announcing two spacewalks — scheduled for October 29 and November 5 — that will install the eighth and final pair of roll-out solar arrays, completing a years-long power upgrade of the International Space Station.
ISS Crew 3D-Prints Blood Vessels and Grows Brain Tissue in Space
Astronauts aboard the International Space Station are conducting a series of advanced biomedical experiments in microgravity, including printing blood vessels from patient cells and growing brain organoids, as part of research into rare diseases and future space medicine.