To answer a question or ask a new one, email lastword@newscientist.com There may be millions of tonnes of white hydrogen available for power. Since each reaction needs oxygen, could it deplete our ...

Google today showed off a set of lightweight smart glasses that have deep Gemini integration and an optional in-lens display that can offer up relevant information like turn-by-turn directions.

White House press secretary Karoline Leavitt is scheduled to brief reporters Monday morning. The briefing is scheduled shortly before President Trump is scheduled to speak with Russian President ...

The total listed by the White House as of May 19 was about $6 trillion. We’ll lay out what the president has said and explain what we know about the financial commitments that have been announced.