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First “superkilonova” double-star blast leaves astronomers stumped

A strange cosmic blast that lit up the sky in two distinct acts is forcing astronomers to rethink how stars live and die. The event, tagged AT2025ulz, appears to be the first known case where a ...

Motorcycle New Registrations 2025, Part One: The Hangover After the Record Year

Motorcycle market hit hard in 2025. How did the five most successful brands fare over the year, given registration figures up ...