A nurse rolled up 90-year-old Margaret Keenan's sleeve and administered a shot watched round the world -– the first jab in the U.K.'s COVID-19 vaccination program kicking off an unprecedented global effort to try to end a pandemic that has killed 1.5 million people.
Researchers at a cybersecurity firm say they have identified vulnerabilities in software widely used by millions of connected devices — flaws that could be exploited by hackers to penetrate business and home computer networks and disrupt them.
A Japanese capsule carrying the world's first asteroid subsurface samples shot across the night atmosphere early Sunday before landing in the remote Australian Outback, completing a mission to provide clues to the origin of the solar system and life on Earth.
A 15-year-old Colorado high school student and young scientist who has used artificial intelligence and created apps to tackle contaminated drinking water, cyberbullying, opioid addiction and other social problems has been named Time Magazine's first-ever "Kid of the Year."
In a modern twist on old-fashioned war games, the U.S. military dispatched cyber fighters to Estonia this fall to help the small Baltic nation search out and block potential cyber threats from Russia. The goal was not only to help a NATO partner long targeted by its powerful neighbor but also to gain insight on Russian tactics that could be used against the U.S. and its elections.