The latest round of discussions broke up without a deal.
The US had warned that "very difficult issues" remain unresolved after the failed talks, which were held in China.
Both sides are attempting to secure a new deal before further US tariffs are imposed on 1 March.
ByteDance denies media report of plan to sell TikTok
ByteDance has no plan to sell TikTok, the company's official account said in a statement posted on Toutiao, a media platform owned by the China-based firm.
Photos: UAE’s first operational vertiport unveiled in Abu Dhabi
The UAE's first operational vertiport for vertical take-off and landing aircraft (eVTOLs) has been unveiled in Abu Dhabi.
France's air traffic control strikes ground flights across Europe
Delays and flight cancellations were set to impact swathes of Europe on Thursday, after authorities failed to reach a deal with some French air traffic control workers to avert a strike.
Blinken to meet businesses in Shanghai as he kicks off tough China trip
US Secretary of State Antony Blinken will meet business leaders in Shanghai on Thursday as ties between Washington and Beijing stabilise, pushing to resolve a raft of issues threatening the newly gained equilibrium between the rivals.
Tesla promises 'more affordable' cars after shelving all-new Model 2
Tesla said it would introduce "new models" by early 2025 using its current platforms and production lines as it retreated from more ambitious plans to produce an all-new model that had been expected to cost $25,000.
