A newly discovered celestial object may be a starless cloud that could change how astronomers understand dark matter.

The mystery around interstellar comet 3I/ATLAS has deepened after CIA said it could "neither deny nor confirm the existence ...

I/ATLAS fuels a global security row as the CIA issues a 'Glomar' response to records requests. Is the interstellar object a ...

A team using @NASAHubble has made the first confirmed detection of a new type of astronomical object: a starless, gas-rich, ...

The theory, spearheaded by astronomer Michele Bannister and her investigative team at the University of Canterbury in New ...

A strange, starless cloud on the edge of a nearby galaxy is forcing astronomers to confront one of the biggest unknowns in ...

NASA has forever altered our understanding of the known universe, and now the iconic space exploration institution is heading ...

A CIA refusal to confirm or deny records on interstellar object 3I/ATLAS has revived debate about its nature. While NASA insists it is a natural comet, Harvard scientist Avi Loeb points to unexplained ...

The Virgo cluster, despite being millions of light-years away, closest large galaxy cluster to Earth. The Virgo galaxy ...

NASA’s Webb Telescope has identified compact, mysterious galaxies nicknamed “astronomy’s platypus.” These strange objects ...

JWST peered at the glowing trail of stars left behind by a candidate runaway supermassive black hole deep in space, revealing ...

It's estimated there may be trillions of rogue planets wandering through the Milky Way, unbound to any star. Since detecting our first ones, we have been presented with an odd mystery.