Duolingo is opening up its advanced language learning content offering to free users, allowing them to acquire skills that were previously reserved for paid subscribers.

Sky's Tom Clarke investigates how AI-generated vlogger Chloe Vs History gains millions of views and builds a massive online audience. But is "she" a real person?

Rising carbon dioxide levels are being detected within the human body, with new research warning a key blood marker for the gas could near its healthy limit within decades if current trends continue. ...

Primordial black holes could rewrite our understanding of dark matter and the early universe. A record-breaking detection at the bottom of the Mediterranean Sea has some physicists wondering if we jus...

Researchers are devising creative ways to get together as Trump’s policies curb travel to US gatherings.

Particulate matter (PM2.5) is associated with substantial morbidity and mortality. Evidence suggests socioeconomic and ethnic minority groups are disproportionately exposed to higher outdoor air pollu...