Celebrate Independence Day on July 4 — the federal holiday marking the 1776 adoption of the Declaration of Independence in ...

This Star Is About To Explode!

Astronomers used the James Webb Space Telescope to observe a distant galaxy merger called CRISTAL-02. CRISTAL-02 is losing ...

For more than a century, cosmic rays have remained one of astronomy’s lingering puzzles. These tiny particles move through space carrying extraordinary amounts of energy, arriving from distant corners ...

According to scientists, red supergiant stars should produce more supernovas. But astronomers just aren’t spotting them. Here's how they plan to crack the case. The James Webb Space Telescope is ...

When most people think of a supernova, they're thinking of a Type II core-collapse supernova. These are massive stars that have reached the end of their time on the main sequence. They've used up ...

One of the largest known stars in the cosmos is poised for catastrophe. After witnessing the massive object undergo a dramatic transformation, a team of astronomers say the star is on the verge of ...

Astronomers are used to dramatic endings. When a massive star dies, it usually explodes in a spectacular supernova, briefly shining brighter than its entire galaxy. However, in the nearby Andromeda ...

In 2014, a NASA telescope observed as the infrared light emitted by a massive star in the Andromeda galaxy gradually grew brighter. The star glowed more intensely with infrared light for around three ...

A massive star in a nearby galaxy that reached the end of its life appears to have vanished rather than blown up, forming a black hole in what astronomers think is a rare way. The most common black ...

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no diamond in the sky. That looks like a supernova. As much as we love to blow ...