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 ...

PARIS: An immensely powerful flash detected earlier this year was created by a massive star exploding when the universe was just five percent of its current age, astronomers said on Tuesday. The flash ...

Instead of focusing on how fast the universe is expanding, they looked at the ages of some of the oldest stars in our galaxy.