It's the stuff of spy novels, except in this case it's the stuff of actual spycraft. A new exhibit opening in London features ...

If you're using an Android phone, you can switch off read receipts for Google Messages by opening the Messages app. Tap your ...

Spy used pen nibs dipped in lemon to write invisible messages to his counterparts. He relayed his secrets in between lines of ...

Burn after reading.” For German agent Karl Muller, that advice would have really helped. Muller, a spy who masqueraded as a Russian shipbroker and ...

A 110-year-old lemon used by a German WW1 spy to send secret messages from Britain with invisible ink is going on display in ...

The MI5: Official Secrets exhibition, which features objects from MI5's private collection alongside declassified documents, ...

Featuring declassified documents and objects from MI5's private collection, the exhibition marks the first time the ...

A battered leather briefcase left behind by Guy Burgess when he fled to Moscow in 1951 is among 20 objects from MI5's ...

Results from both objective (Blinks per second) and subjective (Visual Fatigue Scale) measures suggested that reading on the ...

It’s a contradiction of numbers that reveals a deep cultural divide: Transgender people make up less than 1% of the U.S.

A Toronto-based graphic arts studio made a book that can be read only when you pour water over it. It's a poignant symbol of ...

Samantha Kelly is a freelance writer with a focus on consumer technology, AI, social media, Big Tech, emerging trends and how they impact our everyday lives. Her work has been featured on CNN, NBC ...