According to a fairly new theory, white dwarfs can explode twice in a row in certain circumstances. For the first time, we ...

Figuring out the day length of Earth is more complicated than you might imagine. While on average a day is 24 hours long, ...

The shattered star at the center was once a white dwarf, a stellar ember no larger than Earth, yet almost as heavy as the Sun ...

A massive object from outside the solar system is passing through, but the world is not in danger. It is a rare visitor, ...

A groundbreaking new survey from China’s LHAASO observatory has unveiled powerful ultrahigh-energy gamma-ray emissions across ...

Astronomers have captured a jaw-dropping picture of star that exploded twice. It is the first time researchers have obtained ...

Astronomers studying the remnant SNR 0509-67.5 have finally caught a white dwarf in the act of a rare “double-detonation” supernova, where an initial helium blast on the star’s surface triggers a ...

Figuring out the ages of stars is fundamental to understanding many areas of astronomy—yet, it remains a challenge since ...

Alexandria Echo Press reporter Lisa Johnson and Astro Bob talk about occultations in this episode of "Minnesota Night Skies." ...

For the first time, astronomers have obtained visual evidence that a star met its end by detonating twice. By studying the centuries-old remains of supernova SNR 0509-67.5 with the European Southern ...

The explosion of a star, called a supernova, is an immensely violent event. It usually involves a star more than eight times ...