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." ...

This is the first evidence for a white dwarf exploding not once, but twice. The discovery could shed new light on how some ...

Astronomy news always seems to break over coffee, on laptop startup. That was the case on Wednesday morning, when word of a ...

The discovery itself is simple and fundamental, but the applications stretch far and wide into astrophysics and quantum ...