One of our universe's biggest stars has dramatically turned into a rare, yellow 'hypergiant' star, and astronomers aren't ...

Sky This Week is brought to you in part by Celestron. Friday7Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now ...

One of the largest known stars in the universe underwent a dramatic transformation in 2014, new research shows, and may be preparing to explode. A study led by Gonzalo Muñoz-Sanchez at the National ...

A rare gravitationally lensed supernova called SN 2025wny appears in five separate images due to the gravity of two ...

Some of the universe's most extreme explosions leave behind almost no trace. The original explosion is unseen, but our observations can capture the long-lived echo it leaves behind as the shock front ...

The James Webb Space Telescope has captured detailed infrared images of PMR 1, nicknamed the “Exposed Cranium.” Located about ...