A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

The new candidate, AT2025ulz, initially acted like a kilonova, only to later mystify scientists by morphing into what ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the ...

Collision of Two Neutron Stars Billions of Years Ago Made Enough Gold and Uranium To Fill Earth's Oceans, Says Study Billions of years ago, deep down in the cosmos, two neutron stars began their ...

Artist’s impression of the powerful winds blowing from the bright X-ray source GX13+1. The X-rays are coming from a disc of hot matter, known as an accretion disc, that is gradually spiralling down to ...

Primordial nucleosynthesis during the early universe generated hydrogen, helium, and minor lithium-7 before the cosmos cooled, halting further fusion. Stellar interiors synthesize elements up to iron ...

When you buy through links on our articles, Future and its syndication partners may earn a commission. A rupture in the crust of a highly magnetized neutron star, shown here in an artist’s rendering, ...

A rapidly spinning neutron star orbits a smaller, helium-rich star very closely. This unique pair formed when a larger star exploded, leaving behind the neutron star which then interacted with its ...

"It's pretty incredible to think that some of the heavy elements all around us, like the precious metals in our phones and computers, are produced in these crazy extreme environments." Scientists have ...