Physics
The blushing Englishman who stole nuclear secrets from the US
William Penney planned the Nagasaki bomb as part of the Manhattan Project, and kept the UK in the nuclear race. But was he a master of bluffing or a master spy?
Features
Health
The US will not ban guns so must learn how to live with them
News
Technology
Drone pilots deserve medals even without risking their lives
Opinion
Technology
The new nuclear race: Why North Korea isn’t the real story
Features
Health
It’s too easy for bioterrorists to access dangerous research
News
Humans
Can the US really nuke North Korea without starting a world war?
News
Technology
North Korea fires ballistic missile over Japan for first time
News
Technology
Tesla boss leads 116 experts calling for UN ban on killer robots
News
Technology
China’s quantum submarine detector could seal South China Sea
News
Technology
Inside the fighter jet of the future where AI is the pilot
Next-gen planes won't have controls – or maybe even a cockpit. Timothy Revell got on board to find out whether pilots are getting the ejector seat
News
Health
How US diplomats may have been attacked by sonic weapons in Cuba
News
Technology
Ships fooled in GPS spoofing attack suggest Russian cyberweapon
News
Humans
No, North Korea (probably) won’t nuke the US territory of Guam
News
Humans
Science fiction picks: Time for a reality check
Culture