Most astronomers agree that young galaxy clusters should be relatively cool compared to older ones. But researchers recently ...

Somewhere between the stars, far from any sun, a planet is moving quietly through space. There is no orbit to trace and no ...

For the first time, astronomers have confirmed the existence of a rogue planet, one that doesn't orbit a star, by measuring ...

It is unclear whether a [3I/ATLAS] would transmit radio signals … such signals would take tens of thousands of years to cross ...

Their analysis showed that the planet lies about 3,000 parsecs, or just under 10,000 light-years, from Earth. Its mass is ...

Astronomers have weighed a lonely planet drifting through the Milky Way, using a rare cosmic alignment. How this exiled world ...

Quite far beyond the Milky Way is a lone planet that astronomers found new information about. For the first time, scientists ...

Astronomers have finally weighed a wandering “rogue” planet, uncovering a Saturn-mass world flung into the galaxy after a ...

Hypervelocity stars have, since the 1920s, been an important tool that allows astronomers to study the properties of the ...

On Jan. 15, 2025, the Gaia spacecraft took its last image. Then the craft ran a final round of engineering tests, fired its ...

NASA have released a photograph capturing a vivid image of the Large Magellanic Cloud, a galaxy just 160,000 light-years away ...

A single photograph taken from orbit has managed to make a rare visual connection between the mundane life on Earth and the ...