An investigation of a cosmic explosion that marked the violent death of a massive star has called into question our ...

V Sagittae’s violent mass transfer hints at an imminent nova—and a future supernova visible from Earth. Binary star systems are fairly common in the universe, as are pairs where one star is a compact ...

"No low-frequency radio image of the entire Southern Galactic Plane has been published before, making this an exciting ...

Astronomers observed the fading light of supernova SN 2025kg, which followed the fast X-ray transient (FXT) named EP 250108a.

A recent study of supernova SN 2024bch challenges traditional understanding of stellar deaths and supernovas, suggesting a different energy mechanism called Bowen fluorescence.

A sparkling new supernova has appeared in the night sky, and a telescope atop Mauna Kea in Hawaii was perfectly poised to capture the aftermath of the cosmic burst. The supernova was first spotted ...

In November 1572, a brilliant new star appeared in the constellation Cassiopeia, shining so brightly that it was visible ...