Portal Space Systems says that a rapid-maneuverability space vehicle called Starburst will leverage technologies it's already ...

Is there anything more dramatic than an exploding star? More than just extraordinarily bright, energetic events that can ...

"Remarkable" findings from Yonsei University cast doubt on 'dark energy' theory and claim there is "no evidence" of an ...

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

Supernova remnants, stellar nurseries and more populate the new edge-on view of the Milky Way as seen from Earth’s southern hemisphere.

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

If a massive star near Earth exploded into a supernova, the result wouldn’t just be beautiful — it would be catastrophic.

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 during the day. Danish astronomer Tycho Brahe carefully documented this ...