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 ...

Learn about new observations that reveal an exoplanet is destroying itself by cuddling up to its host star, in an ...

Astronomers describe Mercury as an "inferior planet", because its orbital path around the sun is much closer than that of ...

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." ...

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

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

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

In a stunning first-ever image, astronomers have seen a star that died by exploding twice. They pointed the European Southern ...

Astronomers uncover how massive stars form by tracking interstellar ammonia. Using the U.S. National Science Foundation ...

(CN) — While all stars go out in a bang, some go out with two. For the first time, astronomers have recorded visual evidence ...

A dramatic cosmic event, a rare dwarf nova that suddenly brightened by a factor of 2,500, has been discovered with the help ...