Gold, uranium, and other heavy elements on Earth did not form here. They were born in the violent deaths of massive stars and the collisions of neutron stars, traveling across the galaxy before ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging all explanations.

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

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

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

A 14%-illuminated waxing crescent moon will hang low in the southwest tonight, soon after sunset, still in Capricorn, with ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Astronomers using the James Webb Space Telescope have spotted a planet so close to its star that it's stretched into the shape of a lemon.

Astronomers have discovered a bizarre carbon-rich planet orbiting a neutron star, PSR J2322-2650b, with soot clouds and ...

A puzzling cosmic blast detected in both light and gravitational waves may hint at a previously unseen type of explosion, challenging astronomers to rethink how neutron stars are born and collide.

In a strange turn of events, a supernova birthed twin baby neutron stars that merged to make a powerful kilonova.

Researchers are studying a rare double star explosion that could change how we understand space events. Astronomers may have seen a space event that has never been clearly confirmed before. It is ...