X's AI chatbot Grok, the AI-search engine Perplexity and Google's AI summaries all provided false information in the ...

The death of Miguel Uribe, two months after the attack against him, marks a return to the worst period of political violence in Colombia. Weeks of limbo and hope for his recovery ended with the most ...

Video-assisted thoracoscopic surgery demonstrated superior overall survival than open lobectomy in patients with early-stage lung cancer.