The James Webb Space Telescope has captured new imagery of supernova remnant Cassiopeia A. It is 11,000 light-years away in ...

The universe has likely shifted from a period of acceleration to a phase of deceleration, new study by Korean researchers ...

Twinkle, twinkle, little star. How I wonder what you, wait a minute, why are you twinkling so much? Um, guys, that's no ...

Many stars die spectacularly when they explode as supernovae. During these violent explosions, they leave behind thick, ...

Astronomers have spotted AT2025ulz, a rare dual explosion — a supernova and a kilonova — that may be the first-ever observed ...

A superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational waves, ...

A team of astronomers believe they've witnessed, for the first time, a star exploding in a mythical "superkilonova." ...

From bone-wearing caterpillars to revived ancient wolves, 2025 delivered discoveries that unsettled science and stretched ...

As we close out 2025, we take a moment to remember four of the city's bright talents who left a lasting mark on Milwaukee.