That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

Astronomers report a supergiant star in the Andromeda Galaxy, M31-2014-DS1, collapsed directly into a black hole without a supernova, confirming predictions of failed stellar explosions.

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

The team discovered the star by analyzing archival data from NASA’s NEOWISE mission. They used a prediction from the 1970s ...

A massive star 2.5 million light-years away simply vanished — and astronomers now know why. Instead of exploding in a supernova, it quietly collapsed into a black hole, shedding its outer layers in a ...

An international team of astronomers has conducted photometric and spectroscopic observations of a recently discovered ...

Supernova 1987A appeared in the far-southern constellation of Doradus (the Swordfish), in which the Large Magellanic Cloud is ...

In A Nutshell A massive star in the Andromeda Galaxy faded by more than 10,000 times over a decade and vanished from view, ...

Kishalay De, an alumnus of St James’ School and currently at Columbia University, has helped solve the mystery, showing that ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

This is a massive star that exploded 35,000 years ago, and the deep-sky image just won an award – a first in the prestigious ...

Add Yahoo as a preferred source to see more of our stories on Google. Composite gri image of NGC 4388 showing SN 2023fyq, captured by the Las Cumbres Observatory on August 11, 2023. White tick marks ...