Federal appeals court upholds law requiring sale or ban of TikTok in the U.S.
Killing of UnitedHealthcare CEO spotlights complex challenge companies face in protecting top brass
The European Union demands TikTok's response to Romanian files suggesting Moscow's role in vote
Iran says it conducted a successful space launch in program long criticized by West
Quake prompts brief tsunami warning on the West Coast. Here's what to know about tsunamis
Apex the $45M stegosaurus is on display in New York. Here's what scientists hope to learn about it
Fox News loses bid for Smartmatic voting-tech company's records about Philippines bribery case
NASA's first astronaut flight around the moon in decades faces more delays
