Learn how to determine the observed intensity of a supernova using core physics ideas like luminosity, distance, and the inverse-square law. This video walks through the reasoning and calculations ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope (JWST), detecting a supernova—the explosive death of a massive star—at an ...

It's never too late to solve a cold case. A new paper from Syracuse University researchers proposes an explanation for both a mysterious stellar object discovered in the year 2013 and an astronomical ...

The Monsterverse is continuing well into the next few years, with no signs of slowing down. First, we’ve got Monarch: Legacy of Monsters season two, and then in 2027, the follow-up to 2024’s Godzilla ...

Add Yahoo as a preferred source to see more of our stories on Google. This combined image shows Pa 30, a unique stellar remnant in the constellation Cassiopeia. (Credit: NASA/CXC) It's never too late ...

Scientists have detected the most distant supernova ever seen, exploding when the universe was less than a billion years old. The event was first signaled by a gamma-ray burst and later confirmed ...

A stunning NASA time lapse shows the violent death of a star over 25 years. Chandra X-ray Observatory footage captures Kepler’s Supernova Remnant expanding at millions of miles per hour, revealing how ...

Editor’s note: This article was originally published Aug. 13, 2025, and has been updated to include new text and illustrations featured in the January 2026 issue of Astronomy. Using an artificial ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, chaotic clouds of debris shaped like cauliflowers. But supernova remnant Pa 30 ...

Some search for battle, others are born into it ...

This composite image features X-ray, ultraviolet, optical, and near-infrared data of the luminous fast blue optical transient (LFBOT) named AT 2024wpp. The transient is the bright spot at the upper ...

Astronomers using AI have captured a once-in-a-lifetime cosmic event: a massive star’s violent death triggered by its black hole companion. The explosion, known as SN 2023zkd, not only produced a ...