A double explosion, in which a dying star split, then recombined, may be a long-hypothesized but never-before-seen "superkilonova." ...

A dozen luminous blue outbursts were thought to be unusual supernovae. A new outburst, the brightest yet, suggests it's ...

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

A massive star may have burst, leaving behind two dense, dead cores, which then collided and caused another explosion ...

The year’s most memorable moments from astronomy and space exploration include a double-detonating supernova, a private moon ...

One such superkilonova candidate event, named AT2025ulz, was observed in 2025; LIGO and Virgo first spotted gravitational ...

A research team led by Caltech may have just discovered the first-ever superkilonova, a cosmic phenomenon in which a star ...

Astronomers analyzing data from an array of telescopes — including the W. M. Keck Observatory atop Mauna Kea on the Big ...

The research team, led by scientists at University of California, Berkeley, focused on an event discovered in 2024 known as ...

An international team of astronomers has conducted optical and near-infrared observations of a supernova designated SN ...

Crab Nebula reveals gas from ancient supernova explosion Betelgeuse shows late-stage evolution of a massive star Stellar death spreads elements, triggering new star formation ...

An international team of astronomers has, for the first time, successfully probed the early universe. An international group of astronomers has reached a new milestone in studying the early universe.