A long time ago, in a galaxy far, far away, a massive star collapsed, triggering a supernova explosion so bright it could be ...

The organic molecules were found within dense cocoons of gas surrounding newborn stars.

For the first time, astronomers have discovered stellar cocoons rich in complex organic molecules within a supernova remnant.

A black hole shredded a massive star in a record-breaking explosion, but what astronomers discovered afterward may be even ...

Several telescopes used to observe the supernova SN Zwicky which was magnified nearly 25 times by a foreground galaxy acting ...

When some stars die, they do not do so alone, potentially solving a long-standing mystery around a particular class of cosmic ...

When massive stars die, they unleash some of the most powerful explosions in the universe. Yet not all supernovae are created ...

A strange "chirping" signal from a distant supernova has revealed the birth of a magnetar, confirming that these incredibly magnetic neutron stars can power the universe's brightest stellar explosions ...

NASA is lighting the cosmos in red, white and blue in honor of the 250 t h birthday of the United States—and the show even ...

Astronomers have made a surprising discovery inside the remains of a giant star that exploded about 1,600 years ago. They ...

Here’s how to see the year’s most-intense meteor shower, a blood-red lunar eclipse and Saturn’s refreshed rings this summer.