A rare star reveals how the Universe's first stars exploded, helping explain the Milky Way’s outer halo and its unusual ...

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 ...

An artist's impression of a magnetar with a wobbly accretion disk. (Joseph Farah and Curtis McCully) A never-before-seen ...

For decades, scientists have tried to measure how fast the universe is expanding. This expansion rate is known as the Hubble ...

Gold was not born on our planet Earth; it was forged in a violent ‘cosmic forge’ far beyond our solar system. Research published in The Astrophysical Journal Letters identifies a 'missing link' in the ...

Instead of focusing on how fast the universe is expanding, they looked at the ages of some of the oldest stars in our galaxy. Their findings suggest the universe is about 13.6 billion years old. The ...