When two objects touch and then separate, they can swap tiny amounts of electric charge, even if they are made from exactly ...

After transforming from a ball into a wheeled robot, this small rover crawled along the lunar surface, taking photos.

“This is the complete ecosystem of the Iranian military’s trade business," said Miad Maleki, a former senior official at the ...

Iran has developed a clandestine network involving over 5,000 agencies to import military equipment and evade sanctions. This ...