The brightest cosmic object of its kind ever detected may have helped astronomers solve the mystery of powerful, bright blue cosmic explosions. At the heart of the discovery is a signal from a ...

Astronomers have for the first time seen the birth of a magnetar—a highly magnetized, spinning neutron star—and confirmed that it's the power source behind some of the brightest exploding stars in the ...

"The sheer amount of radiated energy from these bursts is so large that you can't power them with a core collapse stellar explosion — or any other type of normal stellar explosion." When you purchase ...