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 ...

Betty Boop, early 'Nancy Drew Mystery Stories,' Faulkner's 'As I Lay Dying,' and more lose U.S. copyright protection on ...

Black holes have long captured the imagination of both scientists and the general public. These exotic objects—once thought ...