World's Hardest Killer Sudoku '999' Remains Unsolved
A diabolical 'Killer Sudoku' puzzle, rated 999 out of 1000 for difficulty, has defied solvers globally. Can you crack the ultimate logic challenge?
A diabolical 'Killer Sudoku' puzzle, rated 999 out of 1000 for difficulty, has defied solvers globally. Can you crack the ultimate logic challenge?
A 13-year-old boy has carried out a public execution in Afghanistan, shooting dead the man convicted of murdering his family. Read the full report on the Taliban's return to brutal justice.
Retired Met Police detective Hugh Hughes believes serial killer Ivan Milat murdered his cousin in 1971. NSW parliamentary inquiry investigates unsolved cases from 1965-2010.
Tackle the Guardian's latest Killer Sudoku 998. Apply normal rules and solve dotted-line shapes. Find the solution in the next issue. Challenge your mind today!
Thirty beluga whales face being put down after Marineland Canada's closure. The park's euthanasia threat follows blocked China sale and rejected funding. Read the full story.
The fate of 30 captive beluga whales hangs in balance as Marineland, the Canadian government, and activists clash over their future. Discover the heartbreaking details.
Morgan Geyser, convicted in the Slender Man stabbing case, has escaped custody after removing her police tag. Police urgently search for the woman last seen in Madison.
A filmmaker's abandoned Zodiac Killer documentary reveals the ethical dilemmas and clichés plaguing the true crime industry. Discover why our fascination with murder mysteries needs examination.
Discover Guardian's Killer Sudoku 997 with special dotted line rules. Learn how to access print versions and find solutions for weekend puzzles. Challenge your mind today!
Scientists achieve a world-first sighting of the elusive ginkgo-toothed beaked whale off Mexico's coast after a five-year search. Discover how this breakthrough helps protect these mysterious deep-diving mammals.
Discover the rules for the Guardian's Killer Sudoku 996. Normal sudoku rules apply, but with an added numerical challenge within dotted lines. Find the solution in the next issue.
A harbour seal narrowly escaped a pod of killer whales by climbing onto a photographer's boat in the Salish Sea. Watch the dramatic wildlife encounter unfold.
A harbour seal dramatically escaped a pod of hunting killer whales by leaping onto a photographer's boat in the Salish Sea. Watch the incredible survival story unfold.
Pauline McLynn's Maggie Driscoll hides a deadly secret that will rock Weatherfield. The shocking truth emerges in a special Christmas episode. Don't miss the bombshell!
Two of Britain's most notorious child killers have died in prison within hours of each other, with Kyle Bevan murdered in his cell and Lostprophets singer Ian Watkins found dead.
The father of the Southport attacker has publicly apologised for failing to address his son's violent behaviour before the tragic mass stabbing that shocked the nation.
Exclusive: Chilling warning from killer's brother about violent threats uncovered in Southport attack inquiry. Family feared tragedy years before it happened.
Challenge your brain with our expert breakdown of Killer Sudoku 994. Discover solving strategies and why this puzzle format is captivating millions worldwide.
Exclusive inquiry revelations show desperate attempts to reintegrate the Southport attacker into education system less than a year before tragic stabbing spree that shocked the nation.
Notorious double murderer Colin Pitchfork will remain behind bars after the Parole Board rejects his latest release application, citing ongoing risk to the public.
Groundbreaking research into the remarkable longevity of bowhead whales is uncovering biological secrets that could revolutionise how we approach human ageing and age-related diseases.
A 16-year-old boy has been found guilty of murdering 16-year-old Harry Pitman during violent clashes on Primrose Hill as London welcomed 2024, in a case that has shocked the capital.