Where are California's dead trees going? A forest advocate turned detective to find out

In an age of AI-induced answers to complex mathematical problems, Chinese mathematician Sun Zhiwei maintains that curiosity and asking good questions are more important then ever. Over a career spent probing the edges of number theory, Sun, a 61-year-old professor at Nanjing University’s department of mathematics, has built a vast landscape of problems – more than 1,000 and counting – for the global research community to tackle. While traditional mathematical training emphasises mastering...

Star Ferry fares are set to rise by as much as HK$1.80 (23 US cents) from January after Hong Kong authorities endorsed the operator’s application for an increase, taking the cost of a weekend cross-harbour trip to up to HK$8.30. The operator, which last raised its fares in 2023, applied in March to increase charges on its two franchised routes by between 80 HK cents and HK$2 per journey. Under a proposal approved by the Executive Council last Tuesday and announced on Wednesday, fares for the...

Zack Coughlan, 23, was told to serve a minimum term of 28 years after he ambushed Jamie Collins, 21, in the garden of their home near Bristol on 8 April.

The party's former deputy leader, who died aged 93 at his Peak District home in June, left an estate worth £586,018.

Storm Austen is currently developing in the Atlantic and will continue to strengthen before it arrives in the UK early on Friday morning. An amber weather warning for strong winds has been issued.

An entire generation was almost wiped out when 150,000 tons of coal waste slid down the hillside into the village before engulfing Pantglas Junior School on October 21 1966.

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The boy, who also had dark thoughts about his 'hatred for women', approached his innocent victim in a corridor while wearing a mask and plunged the blade into her back.

Hopes for peace talks between Moscow and Kyiv were renewed on Tuesday after Ukrainian President Volodymyr Zelensky called for a three-way meeting with Donald Trump and Vladimir Putin.

Russia has freed American prisoner Stephen Hubbard after more than four years behind bars, with Donald Trump bragging that Vladimir Putin asked for nothing in return 'out of respect' for him.

Premium Bond holders in certain pockets of the country are consistently luckier and win more prizes than in other areas, we can reveal.

Kemi Badenoch urged Andy Burnham to slash welfare as official figures showed the UK's debt mountain has hit the grim milestone of £3trillion.