Major changes to Twitter’s free speech and content moderation rules have presented new challenges for universities and academics. Last week, billionaire entrepreneur Elon Musk secured ownership of the world's largest social media platform, firing roughly half of Twitter's workforce and ...

Three Australian university student teams have been awarded a total of $US750,000 ($A1,00,000) as some of the winners of the XPRIZE carbon removal student competition, sponsored by Tesla founder and tech billionaire Elon Musk. The four-year global competition recognised student ...