Despite years of debate and follow-up studies, an odd streak of cosmic light still defies a final explanation. Is it a giant ...

Astronomers have found that both the core of our Milky Way and the earliest proto-galaxies in the universe share a surprising ...

The comet formed in a cold and distant part of the early Milky Way up to 12 billion years ago, putting it just under 2 billion years the age of the universe.

Pablo Martinez Mirave does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

A new three-volume study explores how quantum physics, gravitation and cosmology may be understood within a unified ...

Scientists have discovered that before black holes collide with neutron stars and merge, these extreme stellar remnants can swirl around each other in oval orbits rather than in c ...

Engineers work slowly around a partially assembled spacecraft in a spotless lab at NASA's Goddard Space Flight Center in ...

NASA’s James Webb Space Telescope reveals new clues about a mysterious cosmic explosion that defies expectations. Researchers are investigating an unusual event in deep space that has left scientists ...

The catastrophic collision of a black hole and a neutron star sent ripples across the universe. New analysis of those ripples could upend a major theory about how these extreme pairs form.

A rapidly brightening burst of light called AT 2024wpp, or "the Whippet", is baffling astronomers. One explanation is that it ...

Billions of light years away in a remote part of the universe, two neutron stars - the ultradense remnants of dead stars - collided. The catastropic ...