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 ...

This artist's animation shows a hypothe sized event known as a superkilonova . Initially, a massive star explodes in a supernova, which generates elements like carbon and iron. In the aftermath, two ...

NASA's Chandra X-ray Observatory releases its longest-spanning video of X-ray data yet. Credit: NASA / CXC / SAO / Pan-STARRS Astronomers have turned a famous star explosion into a 25‑year time‑lapse, ...

In 1181 AD, a bright "guest star" was observed to linger in the sky for around six months. Nearly 850 years later, the likely remnants of this event were rediscovered and tentatively linked to the ...

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 ...

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 ...

Scientifically, it’s called “metagraywacke.” Broadly speaking, it’s a type of sandstone. But D.C.’s official rock, Potomac bluestone, is a metamorphic material you can actually find all over the city ...

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 ...

Astronomers have observed a strange but powerful supernova explosion that not only marked the death of a massive, highly evolved star, but also may have heralded the birth of a pair of binary black ...

Outside hitter Bethania de la Cruz, opposite hitter Jess Schaben-Lansman, and middle blocker Hristina Vuchkova choose not to play for the Supernovas in 2025. The Supernovas kept the momentum from ...