The rise has been driven by a sharp increase in the value of his electric car company Tesla.
The hackers tell the BBC they are sorry for their actions – but experts say it’s a practical rather than moral move.
Ione Wells explores if lithium mining can be done more sustainably.
An American waste management company is storing organic waste deep underground.
Yasmin Morgan-Griffiths has exclusive access to La Sagrada Familia in Barcelona.
What will the era of Agentic AI offer us ?
Joe Tidy explores how the rise of artificial intelligence may play out.
China’s DeepSeek took the AI world by storm this year. Where is it now? And: AI doomsday?
It’s used by millions of us every day, but why was the Quick Response code invented?
Find out how Singapore is now dealing with cyber threats from other states and criminals.