New X-ray data from NASA’s Chandra telescope reveals Cassiopeia A’s chaotic final hours, showing how dying stars collapse and explode.

NEW YORK (AP) — Scientists for the first time have spotted the insides of a dying star as it exploded, offering a rare peek into stellar evolution. Stars can live for millions to trillions of years ...

What's the link between an exploding star, climate change and human evolution? Francis Thackeray, who has researched ancient ...

A supernova blast 2.2 billion light-years from Earth has given astronomers a deeper view into a star's centre than ever ...

The collapsing star's outermost layers of hydrogen and helium had peeled away long ago, which wasn't surprising. But the star ...

Astronomers have observed the calamitous result of a star that picked the wrong dance partner. They have documented what ...

Scientists have seen the insides of a dying star as it exploded, offering a rare glimpse into stellar evolution and what ...

Binary star systems are not rare. Neither are systems where one star is a remnant like a white dwarf or neutron star, and its companion is on the main sequence. In those systems, the dense remnant can ...

This material, says a team led by astrophysicist Steve Schulze of Northwestern University in the US, constitutes the first direct evidence of the theorized concentric shells of different elements that ...

For centuries, scientists have puzzled over globular clusters, the dense star systems that orbit galaxies without dark matter ...

Before exploding, a star shed most of its layers, giving a glimpse at a massive star’s deep interior. The event may represent a new kind of supernova.