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 ...

This revelation means scientists might have to rethink Type II supernova models, which would result in some of these cosmic ...

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

🛍️ 100+ early Prime Day deals. Get shopping now. 🛍️ By Andrew Paul Published Aug 20, 2025 11:00 AM EDT SN2021yfj is a new kind of supernova, challenging our understanding of stellar evolution. Its ...

Astronomers have observed what they are calling a new type of supernova, which has provided an unparalleled glimpse into what happens deep within a star just before it explodes. A study detailing the ...

Astrophotographer David Joyce, based in Kentucky, offers us a spectacular window into the cosmic remains of a giant star that ...

Electron-capture supernovae (ECSNe) are stellar explosions that occur in stars with initial masses around 8–10 times that of ...

Stellar death is a complex and mysterious process — but in the case of a supernova known as 2023zkd, things were more gruesome than any astronomer had ever seen before. As its name suggests, this ...

Stars form in the universe from massive clouds of gas. European Southern Observatory, CC BY-SA For decades, astronomers have wondered what the very first stars in the universe were like. These stars ...

For decades, astronomers have wondered what the very first stars in the universe were like. These stars formed new chemical elements, which enriched the universe and allowed the next generations of ...