Experiment improves predictions of uranium dispersion

The predictive models that describe the fate and transport of radioactive materials in the atmosphere following a nuclear incident (explosion or reactor accident) assume that uranium-bearing particulates would attain chemical ...

Planetary defenders validate asteroid deflection code

Planetary defense researchers at Lawrence Livermore National Laboratory (LLNL) continue to validate their ability to accurately simulate how they might deflect an Earth-bound asteroid in a study that will be published in ...

Manhunt for hackers behind global cyberattack (Update)

International investigators hunted Saturday for those behind an unprecedented cyber-attack that affected systems in dozens of countries, including at banks, hospitals and government agencies, as security experts sought to ...

Huge cyberattack forces Microsoft to offer free tech fix

Teams of technicians worked "round the clock" Saturday to restore hospital computer systems in Britain and check bank or transport services in other nations after a global cyberattack hit dozens of countries and crippled ...

Researcher finds 'kill switch' for cyberattack ransomeware

A cybersecurity researcher appears to have discovered a "kill switch" that can prevent the spread of the WannaCry ransomware—for now—that has caused the cyberattacks wreaking havoc globally, they told AFP Saturday.

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