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

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

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

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

Astronomers say they may have caught the universe pulling off a rare double feature: a stellar blast that appears to be both ...

Here are seven of the most beautiful nebula images captured by NASA’s Hubble Space Telescope, showcasing the breathtaking ...

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