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 ...

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

The cosmos has delivered a rare kind of fireworks display, and astronomers are racing to understand what it means. A strange double flash from a distant galaxy appears to show two neutron stars ...

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

NASA’s Hubble Space Telescope captured asteroids crashing into one another in a nearby planetary system around a star some 25 ...

A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

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

NASA’s Hubble Space Telescope spotted the glowing remains of two space rocks crashing together in a nearby planetary system, ...

Caltech is a place unlike any other, an Institute that is truly “small but mighty.” Its small size and the expertise of its ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

Intelligence findings seen by the Associated Press say the so-called “zone-effect” weapon would seek to flood Starlink orbits with hundreds of thousands of high-density pellets, potentially disabling ...