The widow of the late Charlie Kirk, Erika Kirk, will first for the first since his death earlier this week, around 8:15 p.m. Friday....

This week, NASA said scientists took the biggest step yet toward discovering whether there was ever life on Mars when a rock sample collected by the Mars rover Perseverance contained potential biosign...

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