"We do not know with certainty that we found a superkilonova, but the event nevertheless is eye-opening." When you purchase through links on our site, we may earn an affiliate commission. Here’s how ...

Researchers at the University of North Carolina at Chapel Hill have contributed to new insights into the most long-lived cosmic explosion ever recorded. The event was a gamma-ray burst that remained ...

A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." When you purchase through links on our site, we may earn an ...

Astronomers have long struggled to capture the true nature of stellar nova explosions. However, thanks to cutting-edge techniques, a team of scientists has finally been able to observe these cosmic ...

A gamma-ray burst (GRB) — the most energetic type of explosion in the universe since the Big Bang — is detected once every day, on average. But what happened on July 2, 2025, was highly unusual: ...

Coiled and snakelike, a set of four identical shells surrounds a violent stellar dance 8,000 light-years from Earth. NASA’s James Webb Space Telescope delivered a mid-infrared image showing shells of ...

This artist’s concept depicts GRB 250702B (left of center) erupting within its host galaxy. This powerful explosion, first detected on July 2, blasted out narrow jets of particles at nearly the speed ...

Astrophotographer David Joyce, based in Kentucky, offers us a spectacular window into the cosmic remains of a giant star that ended its existence in a cataclysmic explosion about 10,000 years ago.